The curious paradox is that when I accept myself just as I am, then I can change.

我从底层爬起来，但我没忘记起点。

最好的侦探是那些永不停止提问的人。

The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.

You have to believe in yourself when no one else does.

Mathematics is the language with which God has written the universe.