Galatians 3:17-19 NIV

17 What I mean is this: The law, introduced 430 years1 later, does not set aside the covenant previously established by God and thus do away with the promise.

References for Galatians 3:17

18 For if the inheritance depends on the law, then it no longer depends on a promise;2 but God in his grace gave it to Abraham through a promise.

References for Galatians 3:18

19 What, then, was the purpose of the law? It was added because of transgressions3 until the Seed4 to whom the promise referred had come. The law was put into effect through angels5 by a mediator.6

References for Galatians 3:19