The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.

The sooner you start to code, the longer the program will take.

The ultimate goal of computer science is to create systems that are both powerful and reliable.

可持续性不是一种选择，而是我们对后代的责任。

The essence of science is not in the knowing but in the seeking.

每一个心理行为都在生活的经济中有其位置。