Don’t ask yourself what the world needs. Ask yourself what makes you come alive and then go do that， because what the world needs is people who have come alive.

孩子不是需要解决的问题，而是需要被理解的个体。

You can't change the past, but you can create the future.

The world owes all its onward impulses to men ill at ease. The happy man inevitably confines himself within ancient limits.

The past is never dead. It's not even past.

我是野兽，我是狗，我是个该死的问题。

"Mathematics is not a spectator sport."