Technological progress should make life simpler, not more complicated.

The real tragedy of the poor is that they can afford nothing but self-denial.

Success is a journey, not a destination. Keep pushing forward.

Every algorithm tells a story, not just of the problem it solves, but of the ingenuity and creativity of its creator.

一个试图教学而不激发学生学习欲望的教师，就像在冷铁上敲打。

You can't love everybody, but you can be kind to everybody.

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

每一次失败都是让我们更接近成功的经验。