We all owe death a life.
Science should serve humanity, not just curiosity.
感官有时会欺骗我们，因此永远不要完全信任那些曾经欺骗过我们的人，这是明智的。
The only way to do great work is to love what you do.
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.
Free trade is the key to the prosperity of a nation.