In the pursuit of mathematical truth, we often find more questions than answers.
We must not be afraid to be wrong, for only by being wrong can we learn and progress.
过去并未死去，它甚至还未过去。
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.
The world is full of signs, but we have forgotten how to read them.