17:22-29 Ahithophel hanged himself for vexation that his counsel was not followed. That will break a proud man's heart which will not break a humble man's sleep. He thought himself in danger, concluding, that, because his counsel was not followed, Absalom's cause would fail; and to prevent a possible public execution, he does justice upon himself. Thus the breath is stopped, and the head laid low, from which nothing could be expected but mischief. Absalom chased his father. But observe how God sometimes makes up to his people that comfort from strangers, which they are disappointed of in their own families. Our King needs not our help; but he assures us, that what we do for the least of his brethren, who are sick, poor, and destitute, shall be accepted and recompensed as if done to himself

18. and came to a man's house in Bahurim, which had a well in his court—The court was that of the house, and the well an empty cistern. All the houses of the better class are furnished with such reservoirs. Nothing could more easily happen than that one of these wells, in consequence of a deficiency of water, should become dry and it would then answer as a place of retreat, such as David's friends found in the man's house at Bahurim. The spreading of a covering over the well's mouth for the drying of corn is a common practice.