真正的领导者不是那些发号施令的人，而是那些能够激励他人自愿跟随的人。

As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.

“头脑不是要填满的容器，而是要点燃的火焰。”

暴力是无能者的最后避难所。