Man is by nature a reasonable being, but animals, other than man, are by nature instruments of brute force.
死者既已安葬,活着的人就不要长久地哭泣,而应该尽快做事,每个人都做自己能做的事,并用来使大家互利。
我要做我想做的事。我要成为真正的自己。我要弄清楚那是什么。
The ideas I had about supernatural beings came to me the same way that my mathematical ideas did. So I took them seriously.
解释:自己修身而不责备别人,就能够免于祸难。
The only real failure in life is not to be true to the best one knows.