"Success is not about how much money you make, it's about the difference you make in people's lives."

Success is measured not just in profit, but in positive impact.

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.

心理过程的价值在于它对生命的服务。