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

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

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.

The capacity for not feeling lonely can carry a very real price, that of feeling nothing at all.

It's often just enough to be with someone. I don't need to touch them. Not even talk. A feeling passes between you both. You're not alone.

The only real progress lies in learning to be wrong all alone.

I finally faced the fact that it isn't a crime not having friends. Being alone means you have fewer problems.

I never said, 'I want to be alone.' I only said, 'I want to be left alone.' There is all the difference.

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

Before the throne of the Almighty, man will be judged not by his acts but by his intentions. For God alone reads our hearts.