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

If you are lonely when you're alone, you are in bad company.

Alone we can do so little together we can do so much.

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

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

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.

I have so many different personalities in me and I still feel lonely.

Yes, I guess you could say I am a loner, but I feel more lonely in a crowed room with boring people than I feel on my own.

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

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