“有时候，当你站在桥栏杆后面，低头看着河水慢慢流过，你会忽然明白了世界上所有的道理。”

In every word, there is a piece of the writer's soul.

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

The true cost of inequality is the potential that goes unrealized.