古代著书立说的人，都是有所为而发的。

You can‘t reason someone out of a notion that they didn’t reason themselves into. 

教育不仅仅是达到目的的手段，而是一个持续成长和发展的过程。

The only constant is change, continuing change, inevitable change, that is the dominant factor in society today.

指出人性中的贪婪和恶意有时比超自然力量更令人畏惧。