I must study politics and war, tapestry and porcelain.

Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.

I’ve never been a natural, all I do is try, try, try.

我失败了很多次，这就是我成功的原因。

A mathematical proof is not just a verification but a story that reveals deeper truths.

解析：一心在痛上，便无暇顾及他事。

The best way to predict the future is to invent it.