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

Living alone makes it harder to find someone to blame.

The time you feel lonely is the time you most need to be by yourself.

Look at the sky. We are not alone. The whole universe is friendly to us and conspires only to give the best to those who dream and work.

All men's miseries derive from not being able to sit in a quiet room alone.

All of our unhappiness comes from our inability to be alone.

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 don't want to be alone, I want to be left alone.

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

As I get older I'm more and more comfortable being alone.