The measure of a civilization is how it treats its writers.
Sustainable forestry is not an option; it's an obligation.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.
书籍是反映我们恐惧的镜子。
金融市场不仅仅是关于赚钱，而是关于在时间和空间上高效地配置资源。
The past is always with us, for it feeds the present.