"A personality is a full congress of orators and pressure groups, of children, demagogues, communists, isolationists, war mongers, mugwumps, grafters, prayer-makers, adventurers and clerks; with each of these in a minority of one."

The creative process is messy. That's why my sketches look the way they do.

Train people well enough so they can leave, treat them well enough so they don't want to.

数学不仅仅是一种工具；它是一种思维方式。

我们有时候专注于消失中的机会太久，以致于太晚发现开启的机会。