数学之美不仅在于它描述世界的能力，还在于它揭示支配世界的隐藏结构的力量。

"We are all in the gutter, but some of us are looking at the stars."

The best architecture doesn't shout, it whispers.

The worst sin toward our fellow creatures is not to hate them, but to be indifferent to them: that's the essence of inhumanity.

Character is much easier kept than recovered.

A good farmer is nothing more nor less than a handy man with a sense of humus.

The challenge is not just to give people money but to understand how they make decisions under constraints.