Don't watch the clock; do what it does. Keep going.

Every performance is a new challenge for me.

注：米开朗基罗名画“最后的审判”完成处

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

You think when you wake up in the mornin yesterday don't count. But yesterday is all that does count.

我对建筑中消失的概念很感兴趣。