Westminster Larger Catechism
Q. 5. What do the Scriptures principally teach?
A. The Scriptures principally teach, what man is to believe concerning God, and what duty God requires of man.[13]
Westminster Shorter Catechism
Q. 3. What do the Scriptures principally teach?
A. The Scriptures principally teach, what man is to believe concerning God,[5] and what duty God requires of man.[6]
Daily Westminster 