The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.

In the realm of quantum mechanics, the observer becomes a part of the experiment, altering the outcome by the mere act of observation.

真相永远在运动中。

学习的速度决定成长的速度。

A man who moralizes is usually a hypocrite, and a woman who moralizes is invariably plain.