The past is a foreign country; they do things differently there.

发现的快乐无疑是推动科学前进的动力。

我从不后悔生命中做过的任何事或任何选择，但我对那些没做过的事充满遗憾。

The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart.

地质学的进步因用想象的原因代替真实的原因而大大受阻。