我们对生命了解得越多，就越意识到我们还有多少尚未发现的东西。
The function of thought is to guide successful behavior.
The knowledge of the circumstances of which we must make use never exists in concentrated or integrated form, but solely as the dispersed bits of incomplete and frequently contradictory knowledge which all the separate individuals possess.
To me, happiness is about three things: someone to love, something to do, and something to look forward to.