Romans 4:14

For if it is the righteous through Law who are heirs, then faith is useless and the promise counts for nothing.

Romans 3:31

Do we then by means of this faith abolish the Law? No, indeed; we give the Law a firmer footing.

Romans 4:16

All depends on faith, and for this reason--that acceptance with God might be an act of pure grace,

Galatians 2:21

I do not nullify the grace of God; for if acquittal from guilt is obtainable through the Law, then Christ has died in vain."

Galatians 3:18-24

For if the inheritance comes through obedience to Law, it no longer comes because of a promise. But, as a matter of fact, God has granted it to Abraham in fulfilment of a promise.

Galatians 5:4

Christ has become nothing to any of you who are seeking acceptance with God through the Law: you have fallen away from grace.

Philippians 3:9

not having a righteousness of my own, derived from the Law, but that which arises from faith in Christ--the righteousness which comes from God through faith.

Hebrews 7:19

for the Law brought no perfect blessing--but on the other hand we have the bringing in of a new and better hope by means of which we draw near to God.

Hebrews 7:28

For the Law constitutes men High Priests--men with all their infirmity--but the utterance of the oath, which came later than the Law, constitutes High Priest a Son who has been made for ever perfect.

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
All depends on faith, and for this reason--that acceptance with God might be an act of pure grace,
Galatians 2:21
I do not nullify the grace of God; for if acquittal from guilt is obtainable through the Law, then Christ has died in vain."
Galatians 3:18
For if the inheritance comes through obedience to Law, it no longer comes because of a promise. But, as a matter of fact, God has granted it to Abraham in fulfilment of a promise.
Galatians 5:4
Christ has become nothing to any of you who are seeking acceptance with God through the Law: you have fallen away from grace.
Philippians 3:9
not having a righteousness of my own, derived from the Law, but that which arises from faith in Christ--the righteousness which comes from God through faith.
Hebrews 7:19
for the Law brought no perfect blessing--but on the other hand we have the bringing in of a new and better hope by means of which we draw near to God.

Made

Romans 3:31
Do we then by means of this faith abolish the Law? No, indeed; we give the Law a firmer footing.

General references

Luke 10:26
"Go to the Law," said Jesus; "what is written there? how does it read?"
Galatians 4:28
But you, brethren, like Isaac, are children born in fulfilment of a promise.