John Calvin on Hebrews 6:3

3. This will we do, etc. A dreadful denunciation follows; but the Apostle thus fulminated, lest the Jews should indulge their own supineness, and trifle with the favor of God; as though he had said, “There ought not in this case it to be any delay; for there will not always be the opportunity for making progress; it is not in man’s power to bound at once, whenever he pleases, from the starting point to the goal; but progress in our course is the special gift of God.”