The beauty of mathematics lies in its ability to reveal the hidden structures of reality.
Man is born free, and everywhere he is in chains.
每一次航行都是自然这本巨著中新的一页,由发现之手书写。
处于逆境中,就好比周身都扎着针、敷着药;冥冥中却能磨炼人的意志、培养高尚的品行。处于顺境中,就好比被各种各样的兵器包围;冥冥中掏空了身体,消磨了向上进取的意志。
User needs are both the starting point and the end point of business.