War is an ugly thing， but not the ugliest of things； the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.

Success is not final, failure is not fatal: it is the courage to continue that counts.

The only limits that exist are the ones you place on yourself.

数学是模式的科学，而自然利用了几乎所有的模式。

成功不是自燃的结果，你必须点燃自己。

我们生来孤独，活着孤独，死去孤独。尽管有浪漫杂志的渲染，终有一天我们回顾一生，会发现尽管有人相伴，我们始终孤独。