The moment you think about giving up, think of the reason why you held on so long.
当你想要放弃的时候,想想你当初为什么坚持了这么久。
It is the greatest good to the greatest number of people which is the measure of right and wrong.
君子的学问,从来不会脱离实践去空谈认识,这是必然的。
Mathematics is the language of the universe, and through it, we can understand the fundamental principles that govern our world.