Nothing is funnier than unhappiness.

Some people are extraordinarily good at knowing the limits of their knowledge because they have to be.

Freedom of men under government is to have a standing rule to live by, common to everyone, and not to be subject to the inconstant, uncertain, arbitrary will of another man.

Innovation distinguishes between a leader and a follower.

如果我比别人看得更远，那是因为我站在巨人的肩上。