在科学领域，我们必须准备好接受我们最珍视的理论有一天可能会被取代。

From 30 feet away she looked like a lot of class. From 10 feet away she looked like something made up to be seen from 30 feet away.

I never saw a wild thing sorry for itself. A small bird will drop frozen dead from a bough without ever having felt sorry for itself.

无为也是一种良药。