心灵是一个可以在多个层次上分析的复杂系统。

你的工作将占据你生活的大部分，真正满意的唯一方法是做你认为伟大的工作。

The melancholy science from which I make this offering to my friend relates to a region that from time immemorial was regarded as the true field of philosophy, but which, since the latter's conversion into method, has lapsed into intellectual neglect, sententious whimsy, and finally oblivion.

Human cognition is best understood as a hierarchy of information processing levels.

Writing is not about revealing the truth, but about creating a space where the truth can be discovered.