" Nor does what has just been said in anywise conflict with what was pointed out in previous chapters. The above elements just as truly shadowed forth another fundamental aspect of the everlasting covenant as did the different features singled out from the Adamic and the Noahic. In the everlasting covenant, God promised a certain reward unto Christ upon His fulfilling certain conditions—executing the appointed work. The inseparable principles of law and gospel, grace and reward, faith and works, were most expressly conjoined in that compact which God entered into with the Mediator before the foundation of the world. Therein we may behold the "manifold wisdom of God" in combining such apparent opposites; and instead of carping at their seeming hostility, we should admire the omniscience which has made the one the handmaid of the other. Only then are we prepared to discern and recognize the exercise of this dual principle in each of the subordinate covenants. Not "

― Arthur W. Pink ,