Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

Memory is a kind of accomplishment, a sort of renewal even.

The beauty of computational theory lies in its ability to abstract and generalize, turning specific problems into universal solutions.

一本书是通向想象力和知识的敞开之窗。

最好的程序是既能被计算机快速执行，又能被人类清晰理解的程序。

"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding."