Knowledge puffs up, love builds up, legalism, corrective theology, Paul, Epistles, Corinthians, known by God, food sacrificed to idols, weaker brother, weaker sister, guilty conscience, Chesterton, rights, freedom in Christ, American civil rights, pride, judgment, how well do you love, I corinthians 9, I Corinthians 8, lay down your rights, service, Jesus, Gospel