In business, if you're not moving forward, you're falling behind.

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.

I don’t know what I want. I am inconsistent, non-committal, passive; I like the indefinite, the boundless; I like continual uncertainty.

不过是君主不把它［爱人利人］用在政事上，士大夫也不把它付诸行动罢了。