The challenge of quantum computing is not just technical but also conceptual.

The arithmetic of algebraic varieties is a testament to the power of abstract thought.

"The more you try to forget, the more you remember."

积聚的水如果不深，就无力浮起大船。倒一杯水在堂前的凹地，芥草浮在上面就是小船了，放一只水杯在上面就动不了了，是因为水浅而船大。聚集的风如果不大，就无力载负巨大的双翼，因而大鹏扶摇而上九万里，疾风在下面劲吹，然后才能凭借风力，背负蓝天而无可阻挡，才能够一路南飞。

The heart of the educator must be a living flame, a fire that can ignite the souls of the young.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.

世界不是从他想象的地方运行的。不是从城堡的墙壁，而是从账房，不是由号角的呼唤，而是由算盘的点击，不是由大刀的磨擦和点击，而是由笔的刮擦。

互联网是人类通信史上自印刷机发明以来最重要的单一发展。