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

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

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.

Always give a word or sign of salute when meeting or passing a friend, or even a stranger, if in a lonely place.

If you are lonely when you're alone, you are in bad company.

I love to be alone. I never found the companion that was so companionable as solitude.

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

In Genesis, it says that it is not good for a man to be alone but sometimes it is a great relief.

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

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