People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.

逻辑学研究不仅仅是关于形式系统，更是关于推理本身的本质。

Another thing I think should be avoided is extremely intense ideology because it cabbages up one's mind...when you're young it's easy to drift into royalties and when you announce that you're a loyal member...and you're gradually ruining your mind.

生命真正的意义是种树，而不指望坐在树荫下。

I believe in Spinoza's God, Who reveals Himself in the lawful harmony of the world, not in a God Who concerns Himself with the fate and the doings of mankind.

熄灭了吧，熄灭了吧，短促的烛光！人生不过是一个行走的影子，一个在舞台上指手划脚的拙劣的伶人，登场片刻，就在无声无臭中悄然退下；它是一个愚人所讲的故事，充满着喧哗和骚动，却找不到一点意义。