Famous aphorisms about doubt

1. Doubt is the opportunity for enlightenment. A moment of enlightenment, a moment of progress. ——Chen Xianzhang

2. The eyes of doubt are like the eyes of an owl. They can only be seen in the dark, but light can make them lose their sight. ——Yokai Moore

3. The key to unlocking all sciences is undoubtedly the question mark. ——Balzac

4. Doubt is the key to knowledge. ——Sadie

5. Doubt is infinite exploration. ——Socrates

6. Great doubt leads to great enlightenment, small doubt leads to small enlightenment, and no doubt leads to no enlightenment. ——Zhu Xi

7. What is philosophy? Philosophy is about casting doubt and exploration on some common problems that everyone thinks are not problems. ——Zhao Heshan

8. The only limit to our understanding of tomorrow depends on our doubts today. ——Roosevelt

9. Doubt is not the opposite of faith, but an element of faith. ——Romain Rolland

10. If you want to be a true seeker of truth, there should be at least one period in your life when you should be as skeptical as possible about everything. ——Descartes

11. The great soul yearns for doubt. ——Nietzsche

12. Revaluation of all values: That is my formula for the highest self-affirmation activity of mankind. ——Nietzsche

13. Faith and doubt complement each other. Without doubt, there is no true faith. ——Heise

14. The promise of a thousand people is not as good as the care of one person. ——Sima Qian

15. Science is always unfair. If it does not ask ten questions, it will never solve a problem. ——Bernard Shaw

16. The process of scientific discovery is a leap starting from curiosity and doubt. ——Einstein