暴风雨过后，天空更晴朗。
The beauty of mathematics only shows itself to more patient followers.
Writing is a way of making sense of the world.
小人办事，处理的原则是私利，合于私利的就看作利，违背私利的就看作害；君子办事，衡量的标准是道义，合于道义的就看作利，违反道义的就看作害。