Westminster Shorter Catechism – Lord’s Day 26
Q & A 43
Q What is the preface to the ten commandments?
A The preface to the ten commandments is in these words, I am the Lord thy God, which have brought thee out of the land of Egypt, out of the house of bondage.*1
Q & A 44
Q What doth the preface to the ten commandments teach us?
A The preface to the ten commandments teaches us, that because God is the Lord, and our God, and Redeemer, therefore we are bound to keep all his commandments.*2
*1 Exodus 20:2.
*2 Luke 1:74-75; 1 Peter 1:14-19.
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