---
title: "2 Courage Question Quotes by 2 authors"
description: "Browse 2 Courage Question quotes by 2 authors. Discover the best Courage Question sayings and thoughts."
image: "https://sms4smile.com/quotes/i/537/carl-sagan-160_challenges_science-is-based-on-experiment-on-a-will_194296.jpg"
---

> [Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage - at the very least the courage to question the conventional wisdom.](https://sms4smile.com/quotes/carl-sagan/science-is-based-on-experiment-on-a-willingness-to-challenge-old/)

[Carl Sagan](https://sms4smile.com/quotes/author/carl-sagan/)

[Image](https://sms4smile.com/quotes/i/537/carl-sagan-160_challenges_science-is-based-on-experiment-on-a-will_194296.jpg)

> [The country is in deep trouble. We've forgotten that a rich life consists fundamentally of serving others, trying to leave the world a little better than you found it. We need the courage to question the powers that be, the…](https://sms4smile.com/quotes/cornel-west/the-country-is-in-deep-trouble-we-ve-forgotten-that-a-rich-life/)

[Cornel West](https://sms4smile.com/quotes/author/cornel-west/)

[Image](https://sms4smile.com/quotes/i/bf4/cornel-west-708_country_the-country-is-in-deep-trouble-we-ve-for_2796345.jpg)

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