I paint self-portraits because I am so often alone, because I am the person I know best.

Alone we can do so little together we can do so much.

There are places and moments in which one is so completely alone that one sees the world entire.

If it's true that our species is alone in the universe, then I'd have to say the universe aimed rather low and settled for very little.

I restore myself when I'm alone.

Associate with men of good quality if you esteem your own reputation for it is better to be alone than in bad company.

When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.

Every man must do two things alone he must do his own believing and his own dying.

You cannot be lonely if you like the person you're alone with.

The best part about being alone is that you really don't have to answer to anybody. You do what you want.