"For the grace of God has appeared, bringing salvation for all people, training us to renounce ungodliness and worldly passions, and to live self-controlled, upright, and godly lives in the present age" (Titus 2:11-12)
We tend to think that God's law is the best "teacher" and the most effective way to get people (including ourselves) to "renounce ungodliness...and to live self-controlled, upright, and godly lives." But according to Paul, the grace of God is much better suited for this task. And Victor Hugo seems to agree. Viz.