算法的发展既是一门艺术，也是一门科学。
The development of algorithms is both an art and a science.
The worth of a state， in the long run， is the worth of the individuals composing it.
我不是因为快乐而唱歌；我因为唱歌而快乐。
The human being is always more than what he has done; he is also what he can do.
我不害怕为我的信仰挺身而出。
数学是给不同事物起相同名字的艺术。