Charles Ellicott Commentary Hebrews 6:3

"And this will we do, if God permit." — Hebrews 6:3 (ASV)

And this will we do, if God permit.—There may be some with whom it will be impossible for him thus to press on to maturity of teaching and of Christian experience. There is a case excepted by God Himself from all efforts of the Christian teacher; in this case, though nothing can avail except the laying of a new foundation of repentance, God has appointed no means by which such a foundation can be laid.