做数学就是探索一个思想的宇宙，唯一的限制是你的想象力。
When we understand knowledge-based systems, it will be as before -- except our fingertips will have been singed.
Science is a journey, not a destination.
我心中装着全世界的梦想。
工程的目标不仅仅是建造东西，而是建造在不确定性下运作良好的东西。