和平时期流汗越多，战争时期流血越少。

"The beauty of books is that they can take you anywhere."

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.

子夏说：“每天都学到些新东西，每月都不忘所学会的东西，就算好学了。”