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

解释：顺应时代的潮流就会昌盛，背离时代的方向便会走向灭亡。

I define nothing. Not beauty, not patriotism. I take each as it comes, and I leave it as it goes.

人只有在处于依赖状态的时候才是柔弱的，如果他无拘无束，不依赖他人的话，他早就是很强壮的了。

A problem is not solved by mechanically applying past experience, but by restructuring the situation.

The future belongs to those who believe in the beauty of their dreams.

个体总是不得不努力，以免被部落淹没。