The trouble with lying is that you have to remember everything.

No one can become fully aware of the very essence of another human being unless he loves him.

The best way to be happy is to live in the present.

"The world is a stage, but the play is badly cast."

数学是为数学家而写的。

如果你还在想着昨天，你就不会有更好的明天。

最好的领导者是那些最热衷于让比自己更聪明的人围绕在身边的人。