Jamieson, Fausset and Brown on Genesis 31:18

18. he carried the cattle of his getting--that is, his own and nothing more. He did not indemnify himself for his many losses by carrying off any thing of Laban's, but was content with what Providence had given him. Some may think that due notice should have been given; but when a man feels himself in danger--the law of self-preservation prescribes the duty of immediate flight, if it can be done consistently with conscience.