--- title: "Meaning & Key Takeaway of: I have the satisfaction of knowing I did…" description: "\"I have the satisfaction of knowing I did something useful for society.\" — John Cameron" image: "https://sms4smile.com/quotes/i/6e5/john-cameron-23310_did_i-have-the-satisfaction-of-knowing-i-did_753021.jpg" --- # I have the satisfaction of knowing I did something useful… ![“I have the satisfaction of knowing I did something useful for society.” quote by John Cameron](https://sms4smile.com/quotes/i/6e5/john-cameron-23310_did_i-have-the-satisfaction-of-knowing-i-did_753021.jpg) [Download](https://sms4smile.com/quotes/i/6e5/john-cameron-23310_did_i-have-the-satisfaction-of-knowing-i-did_753021.jpg) [Open image](https://sms4smile.com/quotes/i/6e5/john-cameron-23310_did_i-have-the-satisfaction-of-knowing-i-did_753021.jpg) > “I have the satisfaction of knowing I did something useful for society.” [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Feeling useful comes from contributing positively to society and seeing tangible impact. **In simple terms:** Helping others gives satisfaction. Key Takeaway Seek ways to serve. Themes service purpose fulfillment Mood hopeful motivational Type advice inspirational When to use this quote - Community projects - charity work - mentoring Key Concepts Social impact volunteering civic duty Questions to Reflect On - What contribution gives you purpose? - How can you expand your impact? A Different Perspective Impact may be limited without systemic change. ★ ★ ★ ★ ★ No ratings yet [Satisfaction](https://sms4smile.com/quotes/about/satisfaction/) [Society](https://sms4smile.com/quotes/about/society/) ## Related quotes > [I am sure that I have been much more useful to society as a medical physicist.](https://sms4smile.com/quotes/john-cameron/i-am-sure-that-i-have-been-much-more-useful-to-society-as-a-medical/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [People who sit back and wait for somebody to take care of them are the people that if shown a way, can be useful…](https://sms4smile.com/quotes/liberace/people-who-sit-back-and-wait-for-somebody-to-take-care-of-them-are/) [Liberace](https://sms4smile.com/quotes/author/liberace/) > [I wouldn't mind doing more in the kid's world because I think that might be just where I can be most useful to society,…](https://sms4smile.com/quotes/ziggy-marley/i-wouldn-t-mind-doing-more-in-the-kid-s-world-because-i-think-that/) [Ziggy Marley](https://sms4smile.com/quotes/author/ziggy-marley/) > [Success is peace of mind which is a direct result of self-satisfaction in knowing you did your best to become the best you are…](https://sms4smile.com/quotes/john-wooden/success-is-peace-of-mind-which-is-a-direct-result-of-self/) [John Wooden](https://sms4smile.com/quotes/author/john-wooden/) > [... we have the satisfaction of knowing that because all of us believed, we inspired, motivated, and liberated some of the most beautiful people…](https://sms4smile.com/quotes/mary-allison-burch/we-have-the-satisfaction-of-knowing-that-because-all-of-us-believed/) Mary Allison Burch > [There is a deep sense of satisfaction in knowing that you know how to do your job and can go on to the next…](https://sms4smile.com/quotes/sudha-kongara/there-is-a-deep-sense-of-satisfaction-in-knowing-that-you-know-how-to/) [Sudha Kongara](https://sms4smile.com/quotes/author/sudha-kongara/) > [“There is satisfaction in knowing that something good and right and true was part of you. That you had the blessing, gift, good fortune,…](https://sms4smile.com/quotes/ally-condie/there-is-satisfaction-in-knowing-that-something-good-and-right-and/) [Ally Condie](https://sms4smile.com/quotes/author/ally-condie/) > [Dont let him have the satisfaction of knowing youll always be there waiting.](https://sms4smile.com/quotes/arcine-arciniegas/dont-let-him-have-the-satisfaction-of-knowing-youll-always-be-there/) [Arcine Arciniegas](https://sms4smile.com/quotes/author/arcine-arciniegas/) > [Let the spirit of your work be right, and whether your task be great or small you will then have the satisfaction of knowing…](https://sms4smile.com/quotes/grenville-kleiser/let-the-spirit-of-your-work-be-right-and-whether-your-task-be-great/) [Grenville Kleiser](https://sms4smile.com/quotes/author/grenville-kleiser/) > [I get enormous satisfaction from knowing I'm doing something for society.](https://sms4smile.com/quotes/neil-degrasse-tyson/i-get-enormous-satisfaction-from-knowing-i-m-doing-something-for/) [Neil deGrasse Tyson](https://sms4smile.com/quotes/author/neil-degrasse-tyson/) > [Success is peace of mind, which is a direct result of self-satisfaction in knowing you made the effort to become the best of which…](https://sms4smile.com/quotes/john-wooden/success-is-peace-of-mind-which-is-a-direct-result-of-self-2/) [John Wooden](https://sms4smile.com/quotes/author/john-wooden/) > [I believe happiness is a chemical imbalance - it's a silly thing to strife for. But satisfaction - if you seek satisfaction, you can…](https://sms4smile.com/quotes/lydia-lunch/i-believe-happiness-is-a-chemical-imbalance-it-s-a-silly-thing-to/) [Lydia Lunch](https://sms4smile.com/quotes/author/lydia-lunch/) > [“...we have the satisfaction of knowing that whatever we did, we did at the time in the best of faith. Of course, we took…](https://sms4smile.com/quotes/kazuo-ishiguro/we-have-the-satisfaction-of-knowing-that-whatever-we-did-we-did-at/) [Kazuo Ishiguro](https://sms4smile.com/quotes/author/kazuo-ishiguro/) > [I love to do things like sail and hike, but they don't give me the satisfaction of knowing the potential of something you've learned…](https://sms4smile.com/quotes/craig-mello/i-love-to-do-things-like-sail-and-hike-but-they-don-t-give-me-the/) [Craig Mello](https://sms4smile.com/quotes/author/craig-mello/) > [I have the satisfaction of knowing that it is all right; that everybody else is one way or other served in much the same…](https://sms4smile.com/quotes/herman-melville/i-have-the-satisfaction-of-knowing-that-it-is-all-right-that/) [Herman Melville](https://sms4smile.com/quotes/author/herman-melville/) ## More by John Cameron > [Medical physicists work in cooperation with doctors. A few medical physicists devote their time to research and teaching. A few get involved with administrative…](https://sms4smile.com/quotes/john-cameron/medical-physicists-work-in-cooperation-with-doctors-a-few-medical/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [Many Nobel Prizes are awaiting good research to understand and explain the many mysteries of our bodies, such as the basic mechanism of memory…](https://sms4smile.com/quotes/john-cameron/many-nobel-prizes-are-awaiting-good-research-to-understand-and/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [I am sure that I have been much more useful to society as a medical physicist.](https://sms4smile.com/quotes/john-cameron/i-am-sure-that-i-have-been-much-more-useful-to-society-as-a-medical/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [I was the Chair of the first department of medical physics in a medical school in the U.S.](https://sms4smile.com/quotes/john-cameron/i-was-the-chair-of-the-first-department-of-medical-physics-in-a/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [When I entered medical physics in 1958 there were fewer than 100 in the U.S. and I could see many opportunities to apply my…](https://sms4smile.com/quotes/john-cameron/when-i-entered-medical-physics-in-1958-there-were-fewer-than-100-in/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [I would not encourage everyone to take up this profession. Not everyone is suited for any particular field.](https://sms4smile.com/quotes/john-cameron/i-would-not-encourage-everyone-to-take-up-this-profession-not/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [It is likely that we need more radiation to improve our longevity.](https://sms4smile.com/quotes/john-cameron/it-is-likely-that-we-need-more-radiation-to-improve-our-longevity/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [I don't display my plaques and honors. They are hidden behind a black curtain in my work room at home.](https://sms4smile.com/quotes/john-cameron/i-don-t-display-my-plaques-and-honors-they-are-hidden-behind-a-black/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [We developed simple test tools to optimize imaging parameters. No company was interested in our idea.](https://sms4smile.com/quotes/john-cameron/we-developed-simple-test-tools-to-optimize-imaging-parameters-no/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [If someone is interested in medicine and also in physics and they like working with people and communicate well with others, I would strongly…](https://sms4smile.com/quotes/john-cameron/if-someone-is-interested-in-medicine-and-also-in-physics-and-they/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [When I entered the field in July 1958 I believed what they told me about radiation risks. I spent much effort reducing the dose…](https://sms4smile.com/quotes/john-cameron/when-i-entered-the-field-in-july-1958-i-believed-what-they-told-me/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [Too many radiologists still believe there is a risk from a chest x-ray. Few radiologists can explain radiation to the patient in words the…](https://sms4smile.com/quotes/john-cameron/too-many-radiologists-still-believe-there-is-a-risk-from-a-chest-x/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [I am not unhappy that my contribution was not recognized. I am sure it helped my career.](https://sms4smile.com/quotes/john-cameron/i-am-not-unhappy-that-my-contribution-was-not-recognized-i-am-sure-it/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [The growth of technology is such that it is not possible today for a nuclear physicist to switch into medical physics without training. The…](https://sms4smile.com/quotes/john-cameron/the-growth-of-technology-is-such-that-it-is-not-possible-today-for-a/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) > [My main frustration is the fear of cancer from low dose radiation, even by radiologists.](https://sms4smile.com/quotes/john-cameron/my-main-frustration-is-the-fear-of-cancer-from-low-dose-radiation/) [John Cameron](https://sms4smile.com/quotes/author/john-cameron/) [Explore all 26 John Cameron quotes ](https://sms4smile.com/quotes/author/john-cameron/) ## More Did quotes > [Hats off to starting a franchise younger than we all did in 'Twilight' and keeping your cool. The 'Harry Potter' men and women had,…](https://sms4smile.com/quotes/kellan-lutz/hats-off-to-starting-a-franchise-younger-than-we-all-did-in-twilight/) [Kellan Lutz](https://sms4smile.com/quotes/author/kellan-lutz/) > [I write about presidents. That means I write about guys - so far. 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Those agencies never did come through.](https://sms4smile.com/quotes/jeremy-rifkin/here-we-are-17-years-later-those-agencies-never-did-come-through/) [Jeremy Rifkin](https://sms4smile.com/quotes/author/jeremy-rifkin/) > [I never did drama at school. I did it for one term, when it was compulsory, and I hated it. Tennis was the main…](https://sms4smile.com/quotes/luke-mitchell/i-never-did-drama-at-school-i-did-it-for-one-term-when-it-was/) [Luke Mitchell](https://sms4smile.com/quotes/author/luke-mitchell/) > [Growing up I did commercials and things like that, but nothing serious. As I got older, my family is really hardcore into academics. They…](https://sms4smile.com/quotes/portia-doubleday/growing-up-i-did-commercials-and-things-like-that-but-nothing-serious/) [Portia Doubleday](https://sms4smile.com/quotes/author/portia-doubleday/) > [I am a big outliner. For my adult book, 'The Visibles,' I did not outline, and it took me two years to write because…](https://sms4smile.com/quotes/sara-shepard/i-am-a-big-outliner-for-my-adult-book-the-visibles-i-did-not-outline/) [Sara Shepard](https://sms4smile.com/quotes/author/sara-shepard/) > [You didn't want to laugh, did you? It wasn't very funny, was it?](https://sms4smile.com/quotes/graham-kennedy/you-didn-t-want-to-laugh-did-you-it-wasn-t-very-funny-was-it/) [Graham Kennedy](https://sms4smile.com/quotes/author/graham-kennedy/) > [I grew up in a blue-collar neighborhood and was raised by a man who did not emote, ever... I always cry at movies, and…](https://sms4smile.com/quotes/matthew-quick/i-grew-up-in-a-blue-collar-neighborhood-and-was-raised-by-a-man-who/) [Matthew Quick](https://sms4smile.com/quotes/author/matthew-quick/) > [I met Tyler Perry and we did 'House of Payne' and a movie. We've done a couple other films since then, but it all…](https://sms4smile.com/quotes/lance-gross/i-met-tyler-perry-and-we-did-house-of-payne-and-a-movie-we-ve-done-a/) [Lance Gross](https://sms4smile.com/quotes/author/lance-gross/) > [The whole nuclear-arms-control and non-proliferation policy of the nuclear powers is a fraud: The Americans could not prevent the Soviets from replicating their weaponry,…](https://sms4smile.com/quotes/conrad-black/the-whole-nuclear-arms-control-and-non-proliferation-policy-of-the/) [Conrad Black](https://sms4smile.com/quotes/author/conrad-black/) > [I am excited to partner with Aeropostale for my very own collection. It was a great experience to be able to work with them.…](https://sms4smile.com/quotes/bethany-mota/i-am-excited-to-partner-with-aeropostale-for-my-very-own-collection/) [Bethany Mota](https://sms4smile.com/quotes/author/bethany-mota/) > [When we built Roomba, we explicitly designed it to not have a face. 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