Ecclesiastes 4:11 in the King James Version
Again, if two lie together, then they have heat: but how can one be warm alone?
Context
10 For if they fall, the one will lift up his fellow; but woe to him who is alone when he falls, and doesn’t have another to lift him up.
11 Again, if two lie together, then they have warmth; but how can one keep warm alone?
12 If a man prevails against one who is alone, two shall withstand him; and a threefold cord is not quickly broken.