Writing is a way of talking without being interrupted.

In business, you're either growing or you're dying.

科学的美丽在于它不断进化，总有新的东西可以发现。

The mind is not a mirror of the world, but an instrument for dealing with it.

The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.