All the Reasons to Reject Legalism
Passage: Galatians 3:1–3:9
John Owen - “We can begin each day with the deeply encouraging realization, I'm accepted by God, not on the basis of my personal performance, but on the basis of the infinitely perfect righteousness of Jesus Christ.”
By Faith, or by Works of the Law?
 O foolish Galatians! Who has bewitched you? It was before your eyes that Jesus Christ was publicly portrayed as crucified.  Let me ask you only this: Did you receive the Spirit by works of the law or by hearing with faith?  Are you so foolish? Having begun by the Spirit, are you now being perfected by the flesh?  Did you suffer so many things in vain—if indeed it was in vain?  Does he who supplies the Spirit to you and works miracles among you do so by works of the law, or by hearing with faith— just as Abraham “believed God, and it was counted to him as righteousness”?
 Know then that it is those of faith who are the sons of Abraham.  And the Scripture, foreseeing that God would justify the Gentiles by faith, preached the gospel beforehand to Abraham, saying, “In you shall all the nations be blessed.”  So then, those who are of faith are blessed along with Abraham, the man of faith. (ESV)