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.

The richness I achieve comes from Nature, the source of my inspiration.

心理学家必须避免一切形式的心理物理学。

用我的手写出我口中说的话，古人岂能束缚我的表达。

我不完美，但我就是我。