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.

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

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

All men's miseries derive from not being able to sit in a quiet room alone.

Even in the presence of others he was completely alone.

All of our unhappiness comes from our inability to be alone.

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

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

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