Paul has argued strongly for the supremacy of faith in a person’s relationship with God. He has repeatedly stated that neither circumcision nor any other “works of law” are a prerequisite to salvation, “because by works of the law no one will be justified” ( Gal. 2:16, ESV ) . Moreover, it is not the works of the law but faith that is the defining mark of the believer ( Gal. 3:7 ) .
Read more at the source: Monday: Faith and Law (Romans 3:31)