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。

In the face of uncertainty, the best strategy is to remain adaptable and open-minded.

I'm not afraid of dying, I just don't want to be there when it happens.

No man, for any considerable period, can wear one face to himself and another to the multitude, without finally getting bewildered as to which may be the true.