The more you sweat in peace, the less you bleed in war.

No arts; no letters; no society; and which is worst of all, continual fear, and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.

Words are the bridge between the inner and outer world.

Leadership means making tough decisions today that will benefit everyone tomorrow.

Success is not accidental, it requires persistence and hard work.

我们不是从祖先那里继承了地球；我们是从子孙那里借来的——这一信念塑造了我们所做的一切。

"Hope is the thing that keeps us moving forward, even when the path is dark."

自然科学是一种通过描述自然来理解自然的尝试。