I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
在我们这个令人深思的时代,最令人深思的事情是我们仍然没有思考。
Fear of something is at the root of hate for others, and hate within will eventually destroy the hater.
Patriotism is your conviction that this country is superior to all other countries because you were born in it.
释义:阿那克西米尼可能将冷和热看作是气疏密变化的表现,气被压缩则变冷,气被稀释则变热。