A mind troubled by doubt cannot focus on the course to victory.
You've achieved success in your field when you don't know whether what you're doing is work or play.
There is no revenge so complete as forgiveness.
We were in the open concourse where the turnstiles were. It was hardly any better here -- the enclosed space sent the voices around us echoing back in a roar that made my head ring, and the smell and feeling of all those bodies made me feel a claustrophobia I'd never known I was prone to.
The true mystery of the world is the visible, not the invisible.
So act that your principle of action might safely be made a law for the whole world.
Anything looked at closely becomes wonderful.