17 Iron sharpens iron; and a man sharpens his friend’s countenance.

9 Two are better than one, seeing they have a good reward for their labour. 10 For if they fall, the one will lift up his fellow: but woe to him that is alone when he falls, and there is not a second to lift him up. 11 Also if two should lie together, they also get heat: but how shall one be warmed alone? 12 And if one should prevail against him, the two shall withstand him; and a threefold cord shall not be quickly broken.