Always demand a deadline. A deadline weeds out the extraneous and the ordinary. It prevents you from trying to make it perfect， so you have to make it different. Different is better.

量子世界在经典意义上不是确定性的，也不是纯粹随机的 - 它是介于两者之间的东西。

I know not with what weapons World War III will be fought, but World War IV will be fought with sticks and stones。

Contemplating the weaknesses of others is easy； contemplating the weaknesses in yourself is hard， but it pays a much higher reward.

I tend to think that the camera is much more truthful than the human eye.