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

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

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.

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

Even in the presence of others he was completely alone.

Associate with men of good quality if you esteem your own reputation for it is better to be alone than 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.

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

Every man is born as many men and dies as a single one.

I restore myself when I'm alone.