成功绝非偶然。它是努力、坚持、学习、研究、牺牲，最重要的是对你所做事情的热爱。
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.
The true power of mathematics is not in its complexity, but in its simplicity and elegance.
永远不要在安全上妥协——它是我们所做一切的基石。
进步的艺术是在变化中保持秩序，在秩序中保持变化。
Nothing is certain， and nothing is impossible.
不要害怕犯错，害怕的是不学习。