The only thing we can know is that we know nothing and that is the highest flight of human wisdom.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

总统的职位是伟大的，但担任这个职位的人并不伟大。

生活是一系列的时刻，有些转瞬即逝，有些永恒。