颜渊问仁。孔子说：“用坚强的意志、顽强的拼搏精神，主持正义、捍卫道德、维护和平，这就是仁。一旦做到了这一点，普天下的人都会崇敬你、追随你、向你学习。为崇高理想而奋斗要靠的是自己，难道还能靠别人吗？”颜渊说：“请问其详？”孔子说：“违反礼法的事不要看、不要听、不要说、不要做。”颜渊说：“我虽不才，愿照此办理。”

We are survival machines – robot vehicles blindly programmed to preserve the selfish molecules known as genes.

抽象的目的不是模糊，而是创建一个新的语义层次，在这个层次上可以绝对精确。

The beauty of mathematics only shows itself to more patient followers.

I don’t care if you’re black, white, straight, bisexual, gay, lesbian, short, tall, fat, skinny, rich or poor. If you’re nice to me, I’ll be nice to you. Simple as that.

The sociological imagination enables its possessor to understand the larger historical scene in terms of its meaning for the inner life and the external career of a variety of individuals.