对一个人而言看似善良的事物，对另一个人可能看似邪恶，反之亦然。

It is not enough to observe and experiment, theorize and calculate. One must also imagine.

I'm not a believer, I'm a knower.

The main thing in life is not to stop questioning. Curiosity has its own reason for existing.

现代采石要求我们同时成为地质学家、生态学家和社区外交官。

【大意】干枯的竹子能生火，但不去钻它就不会燃烧；地下藏有泉源，但不去挖掘就流不出泉水来。