随着知识的每一次增长，以及每一种新工具的发明，人类的劳动都会得到简化。
Mathematics is not a deductive science—that's a cliché. When you try to prove a theorem, you don't just list the hypotheses and then start to reason. What you do is trial and error, experimentation, guesswork.
If you're fearless, life will be limitless.
"Facts are not truth, though they are part of it."