Profitability and sustainability are not opposites; they are two sides of the same coin. A business that harms the environment ultimately harms itself.

We have three criteria. If it’s publicly traded， liquid and amenable to modeling， we trade it.

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

正义并不总是黑白分明；有时它是灰色的。

I believe in second chances because I know what it's like to need one.

The notion of truth is not definable in any formal system that is strong enough to include arithmetic.

四海之内和平安定，这样的幸福只是随缘而得，一生牵挂烦恼的劳苦，总是为好事。