Hebrews 8:7

For if the first had been faultless, no place would have been sought for a second.

Hebrews 7:11

If then perfection were by the Levitical priesthood, (for under it the people received the law) what farther need was there that another priest should rise, after the order of Melchisedek, and not be called after the order of Aaron?

Hebrews 7:18

For verily there is a disannulling of the preceding commandment, for the weakness and unprofitableness thereof.

Galatians 3:21

Is then the law against the promises of God? God forbid. But if there had been a law given which could have given life, verily righteousness would have been by the law.

Hebrews 8:6

And now he hath obtained a more excellent ministry, by how much better a covenant he is a mediator of, which is established upon better promises.

Treasury of Scripture Knowledge

Summary

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

Bible References

Had

Hebrews 8:6
And now he hath obtained a more excellent ministry, by how much better a covenant he is a mediator of, which is established upon better promises.
Hebrews 7:11
If then perfection were by the Levitical priesthood, (for under it the people received the law) what farther need was there that another priest should rise, after the order of Melchisedek, and not be called after the order of Aaron?
Galatians 3:21
Is then the law against the promises of God? God forbid. But if there had been a law given which could have given life, verily righteousness would have been by the law.