Paul Argued With Life Jackets

“Men from Judea [from James]...began to teach the Christians that unless they were circumcised, they couldn’t be saved. Paul argued with them at length.” (Acts 15:1,2) “...by reading the Scripture, I came to realize I could never find God’s favor by... obeying laws ...[but] by believing in Christ.” (Gal. 2:19)
“You have been saved through trusting Christ. Even trusting is not of yourselves; it too is a gift from God.” (Eph. 2:8)