永远不要让年龄成为学习或发现的障碍。

The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.

Simplicity is not the goal. It is the by-product of a good idea.

道的根本来源于天，如果天不改变，道也不会改变

竞争均衡解决方案的存在与规范经济学或福利经济学之间的关系也许同样重要。

A building should be like a tree—it grows and changes with the seasons.