What is the sum of the ten commandments? – Shorter Westminster Catechism

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 our neighbour as ourselves.

Shorter Westminster Catechism

Wherein is the moral law summarily comprehended? – Shorter Westminster Catechism

What is the preface to the ten commandments? – Shorter Westminster Catechism