I paint people not because of what they are like, not exactly in spite of what they are like, but how they happen to be.

对认可的渴望，灵魂中的激情部分，是推动人类历史的力量。

Efficiency is doing things right; effectiveness is doing the right things.

To write a life is to walk a tightrope between fact and interpretation.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

The only thing I can rely on is my own perception, and that is always changing.