Question 47: Where is the obedience of faith given in summary form?
Answer: A summary form of the obedience of faith is given in the Ten Commandments.
Question 48: What is the sum of the Ten Commandments?
Answer: The sum of the Ten Commandments is to love the Lord our God, with all our heart, with all our soul, with all our strength, and with all our mind; and to love our neighbor as ourselves.
The Baptist Catechism above was adapted by John Piper. This post in its entirety can be found at http://www.desiringgod.org/articles/a-baptist-catechism