The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.

Fear is just a story we tell ourselves.

The key to making money in stocks is not to get scared out of them.

生活对智者是一场梦，对愚者是一场游戏，对富人是一场喜剧，对穷人是一场悲剧。

It makes sense to be busy living or busy dying.

有些人即使没有存心做坏事，可事实上事情仍会做错，引起不幸的后果。凡是粗心大意、看不出别人的好心好意，而且缺乏果断的人，都一样能害人。

Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems.

The past is not for living in; it is a well of conclusions from which we draw in order to act.

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。

人并非生来就是自己。人出生时背负着一大堆期望，一大堆别人的想法。