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

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.

The best part about being alone is that you really don't have to answer to anybody. You do what you want.

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

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

Living alone makes it harder to find someone to blame.

Absolutely lonely people have few personal interactions of any kind.

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

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

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