Only a life lived for others is worth living.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle.
When you are courting a nice girl an hour seems like a second. When you sit on a red-hot cinder a second seems like an hour. That's relativity.