The purification of the soul is the highest pursuit in life.
世界需要科学，科学也需要世界。
You may not control all the events that happen to you, but you can decide not to be reduced by them.
你或许无法控制发生在你身上的所有事情，但你可以决定不被它们打倒。
We have seen how the most amiable are at length worn down.