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

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

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

I have so many different personalities in me and I still feel lonely.

I restore myself when I'm alone.

When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.

Even in the presence of others he was completely alone.

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