The change of heart in Peter is amazing! Peter moves from “never” to “everything!” Look at this example of a heart right with God, but one that is also still growing in grace.
Jacob and Esau are playing tug-of-war with motivations of manipulation (Jacob) and impulsivity (Esau). They both fought to get what they wanted in life. What brought these boys to such character flaws? Why were they so impatient, disrespectful, and insistent on immediate gratification?