Patience and tenacity of purpose are worth more than twice their weight of cleverness.  

The trouble ain't that there is too many fools, but that the lightning ain't distributed right.

We cannot not know history.

Silence is argument carried out by other means.

"Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world."

我不相信运气，我相信准备遇到机会。