Hebrews 8:7

for if that first were faultless, a place would not have been sought for a second.

Hebrews 7:11

If indeed, then, perfection were through the Levitical priesthood -- for the people under it had received law -- what further need, according to the order of Melchisedek, for another priest to arise, and not to be called according to the order of Aaron?

Hebrews 7:18

for a disannulling indeed doth come of the command going before because of its weakness, and unprofitableness,

Galatians 3:21

the law, then, is against the promises of God? -- let it not be! for if a law was given that was able to make alive, truly by law there would have been the righteousness,

Hebrews 8:6

and now he hath obtained a more excellent service, how much also of a better covenant is he mediator, which on better promises hath been sanctioned,

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
and now he hath obtained a more excellent service, how much also of a better covenant is he mediator, which on better promises hath been sanctioned,
Hebrews 7:11
If indeed, then, perfection were through the Levitical priesthood -- for the people under it had received law -- what further need, according to the order of Melchisedek, for another priest to arise, and not to be called according to the order of Aaron?
Galatians 3:21
the law, then, is against the promises of God? -- let it not be! for if a law was given that was able to make alive, truly by law there would have been the righteousness,

General references

Deuteronomy 29:14
'And not with you alone am I making this covenant and this oath;