有自知之明的人，遇到问题了会反省自己，不会抱怨别人；能够掌握自己命运的人，只会积极进取，不会抱怨苍天。
Understanding the behavior of complex systems requires a new kind of thinking, one that embraces uncertainty and unpredictability.
我不相信限制。
经过多次思考才去做某件事，做事中再跟据实际情况思考，这样才可以。
The world is not a problem to be solved; it is a living being to which we belong.
数学不是一项观赏性运动。你必须参与其中。
The poem is a way of holding on to what otherwise would be lost.