For if that first covenant had been faultless, then should no place have been sought for the second.
Hebrews 11:15
And truly, if they had been mindful of that country from whence they came out, they might have had opportunity to have returned.
Hebrews 13:9
Be not carried about with divers and strange doctrines. For it is a good thing that the heart be established with grace; not with meats, which have not profited them that have been occupied therein.