Romans 4:14

For if [only] those who are obedient to the law deserve an inheritance, [then their] faith [in God] is for nothing, and God's promise is nullified.

Romans 3:31

Do we then [intend to] destroy law [observance] because faith [in Christ is now required]? Certainly not! But [instead], we uphold [the validity of] law.

Romans 4:16

For this reason, the promise [i.e., of being made right with God] comes through faith [in God], according to His unearned favor, so that it may be [given] with certainty to all of Abraham's descendants. The promise is given not only to those [who live] under the law [i.e., the Jews], but also to [all] those [who live] by faith, like Abraham. Abraham is the [spiritual] father of all of us [believers],

Galatians 2:21

[In doing this] I am not trying to disregard God's unearned favor, for if a person could become right with God by [perfect obedience to the requirements of] the law of Moses, then Christ died for nothing.

Galatians 3:18-24

For if the inheritance [of never ending life] can be obtained by [obeying the requirements of] the law of Moses, it would not come from the promise [of God]; but God provided [this inheritance] for Abraham according to [His] promise.

Galatians 5:4

Those of you who seek to be right with God by observing the requirements of the law of Moses have severed yourselves from [your relationship with] Christ; you have fallen away from God's unearned favor.

Philippians 3:9

and to be found in [fellowship with] Him, not having a righteousness of my own, acquired by observing the law of Moses, but one acquired through believing in Christ. This righteousness, which comes from God, is based on faith.

Hebrews 7:19

(since the law did not make anything [i.e., anyone] perfect), but on the other hand, there is the introduction of a better hope [which did bring perfection through Christ], by which we draw near to God.

Hebrews 7:28

For the law of Moses appoints [morally] weak men to be head priests, but the message of [God's] oath, which came after that law [Note: The quotation from Psa. 110:4 (See verse 21) was written after the law of Moses was given] appointed the Son, who was made perfect [in every way] forever.

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
For this reason, the promise [i.e., of being made right with God] comes through faith [in God], according to His unearned favor, so that it may be [given] with certainty to all of Abraham's descendants. The promise is given not only to those [who live] under the law [i.e., the Jews], but also to [all] those [who live] by faith, like Abraham. Abraham is the [spiritual] father of all of us [believers],
Galatians 2:21
[In doing this] I am not trying to disregard God's unearned favor, for if a person could become right with God by [perfect obedience to the requirements of] the law of Moses, then Christ died for nothing.
Galatians 3:18
For if the inheritance [of never ending life] can be obtained by [obeying the requirements of] the law of Moses, it would not come from the promise [of God]; but God provided [this inheritance] for Abraham according to [His] promise.
Galatians 5:4
Those of you who seek to be right with God by observing the requirements of the law of Moses have severed yourselves from [your relationship with] Christ; you have fallen away from God's unearned favor.
Philippians 3:9
and to be found in [fellowship with] Him, not having a righteousness of my own, acquired by observing the law of Moses, but one acquired through believing in Christ. This righteousness, which comes from God, is based on faith.
Hebrews 7:19
(since the law did not make anything [i.e., anyone] perfect), but on the other hand, there is the introduction of a better hope [which did bring perfection through Christ], by which we draw near to God.

Made

Romans 3:31
Do we then [intend to] destroy law [observance] because faith [in Christ is now required]? Certainly not! But [instead], we uphold [the validity of] law.

General references

Luke 10:26
And Jesus said to him, "What is written in the law of Moses? How do you read it?"
Galatians 4:28
Now, brothers, you [Christians] are children of the promise [made to Abraham. See 3:29] just like Isaac, [Abraham's son] was.