Living alone makes it harder to find someone to blame.

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.

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.

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

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.

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

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

It's often just enough to be with someone. I don't need to touch them. Not even talk. A feeling passes between you both. You're not alone.

I never said, 'I want to be alone.' I only said, 'I want to be left alone.' There is all the difference.