圣人与物相处而不伤害,不伤害外物的,外物也不伤害他。正因为无所伤害,才能自然地与人交往。山林啊,大地啊,都能使我欣然快乐。
Do not use power to suppress opinions you think pernicious, for if you do the opinions will suppress you.
Life is a training for the soul.
The true value of a mathematician lies in the problems they leave behind.
不要担心别人会做什么。预测未来的最好方法就是创造未来。