To be human is to be guilty.

The highest task of education is to develop in the individual a sense of responsibility towards humanity.

不慎重的话语会导致苦难，而温和的言语能带来和平。

科学的本质不是使简单的事物复杂化，而是使复杂的事物简单化。

The best way to predict the future is to invent it.

广义相对论在某种意义上就是引力场的理论。