Q 102 What is the sum of the four commandments which contain our duty to God?

The sum of the four commandments containing our duty to God is, to love the Lord our God with all our heart, and with all our soul, and with all our strength, and with all our mind.[444]

[444] Luke 10:27. And he answering said, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and with all thy strength, and with all thy mind; and thy neighbour as thyself.