“The one worship service in the history of the world that was completely designed to minister to the felt needs of the people was the worship of the golden calf at the base of Mount Sinai (see Ex. 32). It was not an exercise in true worship but in idolatry. We have to keep a close watch on what we do in worship, asking ourselves: “Is this according to the truth of God? Is this God’s teaching in His Word?” Our worship must be based on God’s self-revelation in Scripture. He is truth and His Word is truth.”

R. C. Sproul. John (St. Andrew’s Expositional Commentary) (Kindle Locations 940-943).