全球艺术界不是一个整体；它是不同观点和实践的马赛克。

Free education is abundant, all over the Internet. It's the desire to learn that's scarce.

我们今天做出的每一个决定都会在未来几十年对整个海洋生态系统产生影响。

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

解释：先前所使用的，现在或许要抛弃。现在要抛弃的，将来或许会用到。

I'm not perfect, but I'm striving every day to be better than I was yesterday.