The limits of my language mean the limits of my world.
我的语言的界限意味着我的世界的界限。
The ground floor is where the city and the building meet - it's the most important level.
Life is too short to waste time on things that don't make your soul happy.
以宽恕自己的心宽恕别人,则交情深;以责备他人的心责备自己,则过错少。
A good mathematician is always ready to generalize.