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.

广东话谚语

对这个世界有所助益是获得快乐的唯一途径。

If you want to fly, you have to give up the things that weigh you down.