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.

男性和女性在繁殖策略上有所不同，因为他们在整个进化历史中面临着不同的适应性问题。

I think that the most important thing is to be honest with yourself and with your audience.

过去是一个拒绝离去的幽灵。

股市的波动是由人的情绪驱动的，而不是由经济基本面驱动的。