君子安详而不傲慢，小人傲慢而不安详。

I always try to stay humble and hungry.

Mathematics is the music of reason.

Profit and sustainability must walk hand in hand; one cannot long exist without the other.

To study the phenomena of mind from the standpoint of the soul is nothing less than the way to perfect knowledge.

板块构造理论是地质学的统一理论。