Don’t let the noise of others’ opinions drown out your own inner voice.

A physical symbol system has the necessary and sufficient means for general intelligent action.

要真正了解世界，深入观察你自己的存在；要真正了解自己，对世界产生真正的兴趣。

死者试图与活者交谈，就像年长者试图与年轻者交谈一样。