When so many are lonely as seem to be lonely, it would be inexcusably selfish to be lonely alone.
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.
Even in the presence of others he was completely alone.
presence of others, completely alone
A man is born alone and dies alone and he experiences the good and bad consequences of his karma alone and he goes alone to hell or the Supreme abode.