Hebrews 8:7

For, if that first covenant had been faultless, place would not be sought for a second;

Hebrews 7:11

If, therefore, there was perfection through the Levitical priesthood (for under it the people have received the law), what further need was there, that another Priest should arise according to the rank of Melchizedek, and not be reckoned according to the rank of Aaron?

Hebrews 7:18

For there is verily an annulling of a previous commandment, on account of its weakness and unprofitableness

Galatians 3:21

Is the law, then, against the promises of God? It could not be! For, if a law had been given, which was able to make alive, truly righteousness would have been by law;

Hebrews 8:6

but now he hath obtained a more excellent ministry, by as much also as He is Mediator of a better covenant, which, indeed, has been enacted on better promises.

Treasury of Scripture Knowledge

Summary

Hebrews 8:7

For if that first covenant had been faultless, then should no place have been sought for the second.

Had

Hebrews 8:6

Hebrews 7:11

Galatians 3:21

Bible References

Had

but now he hath obtained a more excellent ministry, by as much also as He is Mediator of a better covenant, which, indeed, has been enacted on better promises.

Is the law, then, against the promises of God? It could not be! For, if a law had been given, which was able to make alive, truly righteousness would have been by law;