Mathematics is not just a tool; it is a way of thinking.
When we are planning for posterity， we ought to remember that virtue is not hereditary.
The mind is a system of organs of computation, designed by natural selection to solve the kinds of problems our ancestors faced in their foraging way of life.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
试图阻止知识前进是没有好处的。无知永远不比知识好。
"We are all broken, that's how the light gets in."