Hebrews 8:7

If there had been nothing wrong with the first covenant, there would not have been a need for a second one.

Hebrews 7:11

If perfection had been attainable through the Levitical priesthood, for under it the people received the Law, what further need would there have been for another priest to arise after the order of Melchizedek, instead of one named after the order of Aaron?

Hebrews 7:18

The former commandment was set aside because it was weak and useless.

Galatians 3:21

Is the Law then against the promises of God? God forbid! If a law had been given which could impart life, righteousness would have been from the Law.

Hebrews 8:6

Jesus has obtained a more excellent ministry. The covenant that he arranged between God and his people is a better one, because it is based on promises of better things.

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
Jesus has obtained a more excellent ministry. The covenant that he arranged between God and his people is a better one, because it is based on promises of better things.
Hebrews 7:11
If perfection had been attainable through the Levitical priesthood, for under it the people received the Law, what further need would there have been for another priest to arise after the order of Melchizedek, instead of one named after the order of Aaron?
Galatians 3:21
Is the Law then against the promises of God? God forbid! If a law had been given which could impart life, righteousness would have been from the Law.

General references

Deuteronomy 29:14
You are not the only people to receive this promise and its conditions.