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

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

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

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

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

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

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

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

Even in the presence of others he was completely alone.

Unless we love and are loved, each of us is alone, each of us is deeply lonely.