The only way to do great work is to love what you do.

天空才是极限，你要明白这一点。

"A book is a mirror; if a monkey looks in, no philosopher looks out."

I always cheer up immensely if an attack is particularly wounding because I think, well, if they attack one personally, it means they have not a single political argument left.

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