The true challenge in mathematics is not solving problems, but asking the right questions.

Life is a series of absurdities.

人生は、選択の連続だ。

The quality of an organization's vision determines the quality of its direction.

从前有只鸟停留在鲁国都城郊外，鲁君很喜爱它，用牛羊猪三牲俱备的规格来款待它，还奏起韶乐，要使它快乐，鸟儿却黯然神伤，头晕目眩，不敢吃东西，这是用别人供养自己的方法来养鸟。真正养鸟的方法，应该是让它栖息在深林，飞翔在江湖之上，让它吃鳅鱼，自由自在地漫步在山野，那么一块平地就够了。