The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

历史不是关于陌生人的故事，不是来自另一个世界的异类；它是关于如果早出生一点的我们的故事。

教育必须基于儿童的心理发展，而不是教育者的任意意志。

心理学的真理存在于实践经验中。

For me they normally happen, these career crises, often, actually, on a Sunday evening, just as the sun is starting to set, and the gap between my hopes for myself and the reality of my life starts to diverge so painfully that I normally end up weeping into a pillow.

The greatest rewards come from working on something that nobody else is working on.