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

If it's true that our species is alone in the universe, then I'd have to say the universe aimed rather low and settled for very little.

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

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

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.

Absolutely lonely people have few personal interactions of any kind.

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

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

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