"The past is never dead. It's not even past."

The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.

心理学是精神生活的科学，而不仅仅是其元素的分类。

Always stay curious. The moment you stop learning is the moment you stop growing.

唯一真正的智慧是知道你一无所知。