Hebrews 8:7

For if that first one was faultless, no place would have been sought for a second.

Hebrews 7:11

If indeed therefore perfection was through the Levitical priesthood (for under it the people had received the law), what further need is there for another priest to arise according to the order of Melchizedek, and not be designated

Hebrews 7:18

For indeed there becomes an annulment of a preceding commandment because of its weakness and uselessness

Galatians 3:21

Is the law therefore against the promises of God? May it not happen! For if a law was given that could make alive, truly righteousness would be from law.

Hebrews 8:6

But now he has obtained a superior ministry, by so much as he is also the mediator of a superior covenant, which has been enacted upon superior promises.

Treasury of Scripture Knowledge

Summary

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

General references

Bible References

Had

Hebrews 8:6
But now he has obtained a superior ministry, by so much as he is also the mediator of a superior covenant, which has been enacted upon superior promises.
Hebrews 7:11
If indeed therefore perfection was through the Levitical priesthood (for under it the people had received the law), what further need is there for another priest to arise according to the order of Melchizedek, and not be designated
Galatians 3:21
Is the law therefore against the promises of God? May it not happen! For if a law was given that could make alive, truly righteousness would be from law.

General references

Deuteronomy 29:14
Neither with you only do I make this covenant and this oath,