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

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

Alone we can do so little together we can do so much.

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

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.

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

Love is our true destiny. We do not find the meaning of life by ourselves alone - we find it with another.

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

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