I'm not superstitious, but I am a little stitious.

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

The beauty of instrumental variables is that they allow us to see the world in a new light.

Recursion is the root of computation since it trades description for time.

领导力就是今天做出艰难的决定，为更美好的明天铺路。