Genesis 31:12

I have seen all that Laban doeth to thee If we attend to this vision we cannot but see reason to conclude that it was really communicated to Jacob at this time to make use of the speckled rods; for here is a plain declaration that God would effect the thing, and the reason why; because he had seen Laban's ungenerous and unfair dealing toward Jacob, and therefore was resolved to punish him for it, and at the same time reward Jacob for his fidelity and contentedness under these injuries.