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.

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

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

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

There are places and moments in which one is so completely alone that one sees the world entire.

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

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

What a lovely surprise to finally discover how unlonely being alone can be.

In Genesis, it says that it is not good for a man to be alone but sometimes it is a great relief.

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