心理学家必须避免一切形而上的假设。

我想写一些让孩子们思考和感受的书。

如果你可以不去寻找别人的认同，那么你的力量就是无穷的。

One of the strongest motives that lead men to art and science， is escape from everyday life with its painful crudity and hopeless dreariness， such men make this cosmos and its construction in the pivot of their emotional life， in ordered to find the peace and the security， which they cannot find in the narrow whirlpool of personal experience.

我不是为观众打球，我是为自己打球。