数学的研究对科学的发展就像空气或水一样。
真理永远存在于简单之中,而不存在于事物的多样性和混乱之中。
Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
我不是那种会让对尊重的热爱减少的人。
十年树木,百年树人。
The spirit of a man is the most valuable thing in the world.
The man who has begun to live more seriously within begins to live more simply without.