The laws of physics are universal, but our understanding of them is constantly evolving.

Intelligence is the ability to predict the future based on past experience.

"To live is the rarest thing in the world. Most people exist, that is all."

我们生活在神话之中，有时甚至意识不到这一点。

一个不以其历史为荣的国家永远无法创造历史。

严厉的家庭没有凶悍的奴仆，而慈爱的母亲却会有败家的儿子。