最好的数学不仅仅是逻辑的;它是直观和创造性的,将严谨与想象力结合在一起。
The space between buildings is as important as the buildings themselves.
所有人都存在危险。自由政府的唯一准则应该是不要信任任何拥有权力的人,以免危及公共自由。