I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.

海洋有其风暴和平静，有其漩涡和洋流。

重要的不是身体的力量，而是精神的力量。

I cannot and will not cut my conscience to fit this year's fashions.

I'm not a day, I'm a night.

If they're all lies, shouldn't we try to stay away from them? But we can't.

“科学不仅是理性的门徒，也是浪漫和激情的门徒。”

我们都知道，儿童发展的时期是一生最重要的时期。道德的营养不良和精神的中毒对人的心灵的危害正如身体的营养不良对于身体健康的危害一样。所以，儿童教育是人类展重要的一个问题。