Genesis 27:8

Now therefore, my son, obey my voice
Hearken to what I am about to say, and do according to that which I command thee, in every particular;
she required of him filial obedience to all that she enjoined him; which, though not difficult to be performed, she was aware Jacob would make objections to, as he did; and therefore she is so pressing and peremptory in her injunctions, as well knowing it was respecting an affair of the greatest moment and importance.