--- title: "Meaning & Key Takeaway of: Incorrect assumptions lie at the root of…" description: "\"Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.\" — Brian Tracy" image: "https://sms4smile.com/quotes/i/579/brian-tracy-216_assumption_incorrect-assumptions-lie-at-the-root-of_1176008.jpg" --- # Incorrect assumptions lie at the root of every failure… ![“Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.” quote by Brian Tracy](https://sms4smile.com/quotes/i/579/brian-tracy-216_assumption_incorrect-assumptions-lie-at-the-root-of_1176008.jpg) [Download](https://sms4smile.com/quotes/i/579/brian-tracy-216_assumption_incorrect-assumptions-lie-at-the-root-of_1176008.jpg) [Open image](https://sms4smile.com/quotes/i/579/brian-tracy-216_assumption_incorrect-assumptions-lie-at-the-root-of_1176008.jpg) > “Incorrect assumptions lie at the root of every failure. Have the courage to test your assumptions.” [Brian Tracy](https://sms4smile.com/quotes/author/brian-tracy/) ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. Assumptions cause failure; testing them requires courage. **In simple terms:** Assumptions lead to failure; test them. Key Takeaway Challenge your assumptions regularly. Themes critical thinking growth courage Mood analytical determined Type self‑help business When to use this quote - business strategy - personal development - scientific research Key Concepts cognitive bias risk assessment Questions to Reflect On - What assumptions are you most hesitant to test? - How can you safely experiment with them? A Different Perspective Testing assumptions can be time‑consuming. ★ ★ ★ ★ ★ No ratings yet [Assumption](https://sms4smile.com/quotes/about/assumption/) [Assumptions](https://sms4smile.com/quotes/about/assumptions/) [Courage](https://sms4smile.com/quotes/about/courage/) [Failure](https://sms4smile.com/quotes/about/failure/) [Inspirational](https://sms4smile.com/quotes/about/inspirational/) [Lying](https://sms4smile.com/quotes/about/lying/) [Roots](https://sms4smile.com/quotes/about/roots/) [Tests](https://sms4smile.com/quotes/about/tests/) ## Related quotes > [Many people assume that they can probably find many ways to save time. 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And when she got into music, she had that same diligence in…](https://sms4smile.com/quotes/laura-joplin/she-spent-hours-drawing-on-her-own-trying-to-perfect-her-craft-and/) [Laura Joplin](https://sms4smile.com/quotes/author/laura-joplin/) > [If they are, then the only ultimate truths are the particulars of concrete experience, and no postulate or general assumption is inherent in science…](https://sms4smile.com/quotes/chauncey-wright/if-they-are-then-the-only-ultimate-truths-are-the-particulars-of/) [Chauncey Wright](https://sms4smile.com/quotes/author/chauncey-wright/) > [If he's - the inference is that somehow he thinks slavery is a - is a noble institution I would - I would strongly…](https://sms4smile.com/quotes/george-w-bush/if-he-s-the-inference-is-that-somehow-he-thinks-slavery-is-a-is-a/) [George W. 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