To try to write love is to confront the muck of language: that region of hysteria where language is both too much and too little, excessive and impoverished.

 On the path to truth, only the brave can persist to the end.

The only way to make sense out of change is to plunge into it, move with it, and join the dance.

On developing company culture: "Part of company culture is path-dependent—it's the lessons you learn along the way."

The goal is not just to design a market, but to design one that works well in practice.