All of our unhappiness comes from our inability to be alone.

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

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

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

I restore myself when I'm alone.

The best part about being alone is that you really don't have to answer to anybody. You do what you want.

Even in the presence of others he was completely alone.

It is strange to be known so universally and yet to be so lonely.

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

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.