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.

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.

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.

We are all sentenced to solitary confinement inside our own skins, for life.

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.

What a lovely surprise to finally discover how unlonely being alone can be.

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

All men's misfortunes spring from their hatred of being alone.

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