道是虚无的根源，造化的根本，神明的本质，天地的起始。

"Education is the kindling of a flame, not the filling of a vessel."

I'm not a feminist. I hail men, I love men. I celebrate American male culture, and beer, and bars and muscle cars...

The only thing that is constant is change.

The history of mathematics is a history of human curiosity and ingenuity.