When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.
The capacity for not feeling lonely can carry a very real price, that of feeling nothing at all.
capacity, feeling lonely, alone, feeling
A man content to go to heaven alone will never go to heaven.
man, content, heaven, alone, never
There are places and moments in which one is so completely alone that one sees the world entire.
Every man is born as many men and dies as a single one.
man is born, dies, single, 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.