Q.43. 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.e e Exod. 20:2. Q.44. What doth the preface to the ten commandments teach us? A. The preface to the ten commandments teacheth us, That because God is the Lord, and our God, and Redeemer, therefore we are bound to keep all his commandments.f f Luke 1:74,75; 1 Pet. 1:15-19. We are here taught, 1. That we are bound to keep all God's commandments. 2. That we should keep God's commandments, because he is the Lord. 3. That we should keep God's commandments, because he is our God. 4. That we should keep God's commandments, because he is our Redeemer.