Q. 60 How are you righteous before God?
A. Only by a true faith in Jesus Christ; so that – though my conscience daily accuses me, that I have greatly transgressed all the commandments of God, and kept none of them, and am still inclined to all evil – nevertheless, God, without any merit of mine, but only by His mere grace, grants and imputes to me: the perfect satisfaction, righteousness and holiness of Christ; even so, as if I never had had, nor committed any sin: yea, as if I had fully accomplished all that obedience which Christ has accomplished for me; inasmuch as I embrace such benefits with a believing heart.
What’s so great about the Heidelberg Catechism? Here are ten characteristics for you:
See Fred Sanders explain each of these.
And of course, best of all it is free: see the Catechism at CCEL.