Romans 4:14

for if they only that are of the law be heirs, faith is made useless, and the promise is become of no effect.

Romans 3:31

Do we then make the law of none effect through faith? God forbid: yea we establish the law.

Romans 4:16

And therefore it is of faith, that it might be by grace, that so the promise might be sure to all the seed; not to that only which is of the law, but also to that which is of the faith of Abraham, who is the father of us all,

Galatians 2:21

I do not frustate the grace of God: for if righteousness be by the law, then Christ died in vain.

Galatians 3:18-24

For if the inheritance be from the law, it is no more from the promise: whereas God gave it to Abraham by promise.

Galatians 5:4

Christ is become nothing to you, whosoever of you are seeking to be justified by the law: ye are fallen from the grace of the gospel.

Philippians 3:9

not having my own righteousness which is of the law, but that which is by the faith of Christ, the righteousness which is of God by faith: that I may know Him,

Hebrews 7:19

for the law made nothing perfect, but the introducing of a better hope did, by which we draw near to God.

Hebrews 7:28

For the law appointeth men high-priests, who have infirmity; but the oath, recorded since the law, appointeth the Son to be priest for ever, being fully perfected for it.

Treasury of Scripture Knowledge

Summary

For if they which are of the law be heirs, faith is made void, and the promise made of none effect:

General references

Bible References

For if

Romans 4:16
And therefore it is of faith, that it might be by grace, that so the promise might be sure to all the seed; not to that only which is of the law, but also to that which is of the faith of Abraham, who is the father of us all,
Galatians 2:21
I do not frustate the grace of God: for if righteousness be by the law, then Christ died in vain.
Galatians 3:18
For if the inheritance be from the law, it is no more from the promise: whereas God gave it to Abraham by promise.
Galatians 5:4
Christ is become nothing to you, whosoever of you are seeking to be justified by the law: ye are fallen from the grace of the gospel.
Philippians 3:9
not having my own righteousness which is of the law, but that which is by the faith of Christ, the righteousness which is of God by faith: that I may know Him,
Hebrews 7:19
for the law made nothing perfect, but the introducing of a better hope did, by which we draw near to God.

Made

Romans 3:31
Do we then make the law of none effect through faith? God forbid: yea we establish the law.

General references

Luke 10:26
He said to him, What is written in the law? How readest thou there?
Galatians 4:28
Now we, brethren, like Isaac, are children of the promise.