And when Abraham demonstrated unshakable faith in God’s promises by showing willingness to offer up his only son, Jehovah reinforced the covenant with an unconditional promise.
تَقُولُ ٱلتَّكْوِين ١٧ :‏ ٧ إِنَّهُ سَيَكُونُ « عَهْدًا دَهْرِيًّا » .‏