Theories are more common than achievements in the history of education. — Richard Livingstone Copy Share Image
Some theories are good for nothing except to be argued about. — Georg C. Lichtenberg Copy Share Image
Theories that go counter to the facts of human nature are foredoomed. — Edith Hamilton Copy Share Image
Leave your theories. All theories, you see, even those of virtue, are bad, foolish, mischievous. — Romain Rolland Copy Share Image
It is a test of true theories not only to account for but to predict phenomena. — William Whewell Copy Share Image
I know my theories and findings are hard for you to accept because they are so original and extraordinary. — Alex Chiu Copy Share Image
“Theories look great on paper until reality scribbles all over the page.” — Richelle E. Goodrich Copy Share Image
I think it's normal that for a part of your life you have a lot of questions, and you're interested in all… — Ludovico Einaudi Copy Share Image
I just know that there are two theories when arguing with women. And neither one works. — John Marston Copy Share Image
There can be theory but, you know, the problem is you've got to be able to test it. So theories are one… — Brian Schmidt Copy Share Image
“If one of the five theories describes our univers, who lives in the other four worlds” — Edward Witten Copy Share Image
The wise man regulates his conduct by the theories both of religion and science. But he regards these theories not as statements… — John B. S. Haldane Copy Share Image
Some people have facts; these can be proven. Some people have theories; these can be disproven. But people with opinions are mindless… — P. J. O'Rourke Copy Share Image
In my opinion, assassination theories will continue to revolve around these assassinations as they have around several other significant assassinations in American… — Louis Stokes Copy Share Image
There are many theories about the best way to remove excess carbon from the atmosphere - some are ludicrous, others are at… — Michael Specter Copy Share Image
The history of science shows that theories are perishable. With every new truth that is revealed we get a better understanding of… — Nikola Tesla Copy Share Image
I realized that you could formulate theories about human and social phenomena in language and pictures and whatever you wanted on the… — Herbert A. Simon Copy Share Image
“You make experiments and I make theories. Do you know the difference? A theory is something nobody believes, except the person who… — Albert Einstein Copy Share Image
“If you can't do it, don't pledge to do it. Don't be a liar; say only what you can do. It's better… — Israelmore Ayivor Copy Share Image
We have our little theory on all human and divine things. Poetry, the workings of genius itself, which, in all times, with… — Thomas Carlyle Copy Share Image
Progress is achieved by exchanging our theories for new ones which go further than the old, until we find one based on… — Claude Bernard Copy Share Image
Our theories are wedged and controlled as nothing else is. Yet sometimes alternative theoretic formulas are equally compatible with all the truths… — William James Copy Share Image
Managers are already voracious consumers of theory. Every time they make a decision or take action, it's based on some theory that… — Anonymous Copy Share Image
No theory ever agrees with all the facts in its domain, yet it is not always the theory that is to blame.… — Paul Feyerabend Copy Share Image
I began my career as an economics professor but became frustrated because the economic theories I taught in the classroom didn't have… — Muhammad Yunus Copy Share Image
“It's impossible to do science without faith. Sometimes scientists build theories on the premises of faulty assumptions until they discover they were… — Bangambiki Habyarimana Copy Share Image
Many theories of the ancient world seem terribly childish today, a hodge-podge of fables and false comparisons.But our theories will seem childish… — Jacob Bronowski Copy Share Image
“I don't have any theories-- all I have are the facts.” — Former FBI Special Agent Zack Shelton Copy Share Image
“Questions married other questions and had theories for children.” — Kerri Maniscalco Copy Share Image
It is curious how often erroneous theories have had a beneficial effect for particular branches of science. — Ernst Mayr Copy Share Image
“You come to nature with all your theories, and she knocks them all flat.” — Anonymous Copy Share Image
![“[T]heories inevitably can't be as complex as life itself.” quote by Yuval Levin](https://sms4smile.com/quotes/img-quotes/883/yuval-levin-33921_complexity_t-heories-inevitably-can-t-be-as-complex_1982661.jpg)
