Let us try to teach generosity and altruism, because we are born selfish.
让我们尝试教导慷慨和利他主义,因为我们天生自私。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
我不是一个恶棍,我是一个现实主义者。