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.

Think wrongly, if you please, but in all cases, think for yourself.

我们越是了解非人类动物的真实本性，尤其是那些拥有复杂大脑和相应复杂社会行为的动物，就越会对它们在为人类服务中的使用产生伦理上的担忧——无论是在娱乐、作为“宠物”、用于食物、在实验室中，还是我们施加给它们的任何其他用途。

In investing, you get what you don’t pay for.