“If we are to going to build a theology and to teach and build up the Christian church, we have to know what our teaching is going to be based on, and what our authority is going to be based on and from where that authority is to be derived.”
If we did not have the Scriptures, we would not be discussing the regulative principle of worship. Apart from the word of God, man can be a seeker, but cannot know God to worship him in truth (Acts 17:23).