All men's misfortunes spring from their hatred of being alone.

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

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

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.

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

I love to be alone. I never found the companion that was so companionable as solitude.

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

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

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

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