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

The success of everything depends on intuition, the capacity of seeing things in a way which afterwards proves to be true, although it cannot be established at the moment.

We are all patchwork, and so shapeless and diverse in composition that each bit, each moment, plays its own game.

数学之美在于它能够将复杂的事物简化。

可持续发展不仅仅是种树，而是在正确的地方为了正确的理由种植正确的树。