I have been crucified with Christ, and I live; yet no longer I, but Christ lives in me. And that life I now live in the flesh, I live by faith toward the Son of God, who loved me and gave Himself on my behalf.

Brethren, I will speak after the manner of men. Though it be but a man's testament, yet no man despiseth it, or addeth anything thereto when it is once allowed.

For if the inheritance [of what was promised] is based on [observing] the Law [as these false teachers claim], it is no longer based on a promise; however, God granted it to Abraham [as a gift] by virtue of His promise.

I am confident in the Lord that you will not take a different view. The man who is unsettling you will have to pay the penalty for it, no matter who he is.