My brethren have dealt deceitfully] Eliphaz and his companions that come like brethren to comfort me. See v. 21. and others of his family and kinred, Chap. 19. 13, &c. Psalms 38:11. and Psalms 88:18. as a brook] He compareth those friends, which comfort us not in misery, to a brook, which in summer, when we need water, is dry: in winter, is hard frozen, and in the time of rain, when we have no need, overfloweth with water.