The time you feel lonely is the time you most need to be by yourself.

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

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

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.

We are all sentenced to solitary confinement inside our own skins, for life.

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

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

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

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

A man content to go to heaven alone will never go to heaven.