Absolutely lonely people have few personal interactions of any kind.

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

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

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

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

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

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

Living alone makes it harder to find someone to blame.

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

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