PROMISE OR LAW? (Galatians 3:15-18) Central Idea: The new testament comes by promise, not performance. Purpose: To encourage believers to celebrate the promise of salvation by faith. The promise is unilateral (3:15-16). The promise is immutable (3:17-18). The post PROMISE OR LAW? (Galatians 3:15-18) appeared first on The Rephidim Project.