"Effort makes you. You will regret someday if you don’t do your best now. Don’t think it’s too late but keep working on it."

Mathematics is the art of giving the same name to different things.

The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly. A programmer is ideally an essayist who works with traditional aesthetic and literary forms as well as mathematical concepts, to communicate the way that an algorithm works and to convince a reader that the results will be correct.

时间总是一个惊喜。你以为你了解它，但其实你并不了解。

"We are all prisoners of our own memories, and the key to freedom lies in understanding them."

To feel much for others and little for ourselves； to restrain our selfishness and exercise our benevolent affections， constitute the perfection of human nature.

The right of a nation to kill a tyrant in case of necessity can never be doubted until the right of a tyrant to kill a nation has been proved.

我们行业的创新并不总是意味着高科技，有时是把基础工作做得更好。

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.