Heidelberg Catechism · Lord's Day 13
34. Why do you call him our Lord?
Answer
Because not with gold or silver but with his precious blood he has redeemed and purchased us, body and soul, from sin and from all the power of the devil, to be his very own.
Scripture references
1 Peter 1:18-19 · 1 Peter 2:9 · 1 Corinthians 6:20 · 1 Timothy 2:6
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