孕育过一次邪恶的灵魂,此后便无法滋养善良。
The soul that has conceived one wickedness can nurse no good thereafter.
要这样行动,使得你意志的准则任何时候都能同时被看作一个普遍立法的原则。
All suffering is suffering.
We have to be prepared to take some risks, but they must be calculated risks.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'