Always keep your knife sharp, your wits sharper, and your spirit sharpest.
The interplay between mathematics and physics is the dance of the cosmos, choreographed by the laws of nature.
Always be willing to learn, because the moment you stop learning is the moment you stop growing.
我们这个时代最大的挑战不是技术上的，而是伦理上的。
我们可以在不压迫的情况下执行正义。
History is not the past. It is the present. We carry our history with us. We are our history.