The greatest glory in living lies not in never falling, but in rising every time we fall.

牛痘可以保护人体免受天花的感染。

I'm not perfect, but I pursue perfection.

我不是榜样，我是自由的灵魂。

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

身体是一片风景。

解释：既要追悔以往的过失，也要预防将来可能发生的错误。