The rule governing the Church in doctrine, government and worship, is what does the Lord require? We have no rights to invent, doctrine for what Christ's church ought to believe, nor how God is to be worshiped, nor how Christ's church is to be governed in its structure and its offices. All are of jus divinum, of divine right--Christ's rights, which He as ordered as head of His church by His Word. Summary of Girardeau's Discretionary Power of the Church. https://www.naphtali.com/articles/worship/girardeau-discretionary-power/