Galatians 3:17-18

3:17 What I am saying is this: The law that came four hundred thirty years later does not cancel a covenant previously ratified by God, so as to invalidate the promise. 3:18 For if the inheritance is based on the law, it is no longer based on the promise, but God graciously gave it to Abraham through the promise.

Galatians 3:20

3:20 Now an intermediary is not for one party alone, but God is one.

Galatians 6:7

6:7 Do not be deceived. God will not be made a fool. For a person will reap what he sows,