Genesis 32:16

And he delivered [them] into the hand of his servants, every drove by themselves; and said unto his servants, Pass over before me, and put a space betwixt drove and drove.

Ver. 16. Every drove by themselves.] That Esau, having occasion of viewing the present, questioning the servants, and hearing Jacob's submission, might be somewhat mollified, and his anger abated. "Be wise as serpents". Mat 10:16

“Ut fragilis glacies, occidit ira mora.”