The past is not a straight line but a tangled web.
过去并非直线，而是错综复杂的网。
让它落下来吧，即使箭头会刺进我的心里。
The more we live by our intellect, the less we understand the meaning of life.
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.