精神错乱：一遍又一遍地重复作同一件事，而期待会有不同的结果。

The truth is a trap: you cannot get it without it getting you; you cannot get the truth by capturing it, only by its capturing you.

我们民主的最大祝福是自由。但归根结底，我们唯一的自由是自律的自由。

The primary cause of unhappiness is never thesituation but your thoughts about it.

成功的关键是失败……成功是由99%的失败构成的。

The city is the greatest human invention, and architects must serve its evolution.

穷人需要的不是施舍，而是阶梯。