John Gills Exposition of the Bible Commentary - Genesis 30:42
And when the cattle were feeble, he put them not in ,.... Or "when covered", as Menachem, that is, with wool, and so not so desirous of copulation with the males, nor so fit and strong for generation; and therefore he put not in the rods into the gutters, partly that he might have none feeble in his flock, and partly that he might not spoil Laban of his whole flock, strong and weak: so the feebler were Laban's, and the stronger Jacob's ; not only his flocks became more numerous than... read more
Matthew Henry's Complete Commentary - Genesis 30:37-43
Here is Jacob's honest policy to make his bargain more advantageous to himself than it was likely to be. If he had not taken some course to help himself, it would have been a bad bargain indeed, which he knew Laban would never consider, or rather would be well pleased to see him a loser by, so little did Laban consult any one's interest but his own. Now Jacob's contrivances were, 1. To set peeled sticks before the cattle where they were watered, that, looking much at those unusual... read more