Heidelberg Catechism: Q
Ps. 51:18 – “Do good in Thy good pleasure unto Zion: build Thou the walls of Jerusalem”
Heidelberg Catechism Question 123: Which is the second petition?
Answer: “Thy kingdom come”. That we may submit ourselves more and more to Thee; preserve and increase Thy church; destroy the works of the devil, and all violence which would exalt itself against Thee; till the full perfection of Thy kingdom take place.
Hellenbroek’s Catechism: chapter 16: 1,2,5,8.
Heidelberg Catechism – Q&A