Not all challenge to live better than we often do is legalism. Wow...how we are quick to accuse that very notion though. "Don't tell me to make better choices, you legalist!", "How dare you judge me?", "Where's your grace?".
A challenge towards integrity is fed by something good...something that knows that being "human" in its original design was a beautiful, magical thing...not something selfish, greedy, lustful and proud. The difference between legalism and the call to a life of integrity is grace. One lacks it entirely...in both belief and expression. The other embraces it with confidence...knowing there's hope for another way of living.