-Pavlov
It is a great sin to waste time.
-Rousseau
● Ideal books are the key to wisdom.
-Tolstoy
1. If we admit failure too readily, we may not realize that we are very close to being right. -karl popper
2. The same is true of "difficulty". Facing the cliff, you can't see a crack in a hundred years, but with an axe, you can advance inch by inch, and you have to advance inch by inch. You will accumulate constantly, and a leap will come, and a breakthrough will follow. -Hua Luogeng (China)
3. I really want to invent a machine with such terrible mass destructive power that war will become impossible forever. -Nobel (Sweden)
4. Only by obeying nature can we control nature. -bacon (England)
5. the sea of truth, let all the undiscovered things lie before my eyes and let me explore. -Newton (UK)
6. The benefits of fallacy are temporary, but the benefits of truth are permanent; When truth has shortcomings, these shortcomings will soon be eliminated, while fallacies always go hand in hand with fallacies. -Diderot (France)
7. Anyone who is rash about the truth in small matters is also untrustworthy in big matters. -Einstein (USA)
8. It is man's bounden duty to be brave in exploring the truth. -Copernicus (Poland)