In 27:19, Jacob first claims to be Esau; here he confirms the lie when Isaac questions him, doubling down on the deception.

Job 15:5 speaks of the mouth choosing the tongue of the crafty — Jacob's false 'I am' here is a prime example of crafty, deceptive speech.

Proverbs 12:19 says a lying tongue is only for a moment — Jacob's lie here gained the blessing but soon brought flight and family division.

Proverbs 12:22 declares lying lips an abomination to the LORD — Jacob's false 'I am' here is precisely such an abomination, even in service of blessing.

Zechariah 8:16 commands speaking truth to one's neighbor — directly contrasting Jacob's lie to his own father in this verse.

Ephesians 4:25 commands putting away lying and speaking truth — directly repudiating the deception Jacob uses here against his own father.

In Colossians 3:9, believers are commanded not to lie — Jacob's deception here illustrates the old self's behavior believers must abandon.

Proverbs 30:8 prays to be kept far from lies. Jacob's deception here illustrates exactly the kind of falsehood Agur asks God to remove from him.