In the end, we are all just trying to survive.

Space and light and order. Those are the things that men need just as much as they need bread or a place to sleep.

A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.

心理学家必须是一个细致的观察者。

读书人不能不心胸宽广意志刚强，因为肩负重任而且征途遥远。他把实现仁的理想作为自己的使命，担子难道不重吗？他为这种理想而奋斗，直到死去为止，路途难道不远吗？

可持续性已不再是选择，而是我们对后代的责任。