Testimony of the Spirit
Q. 4. How know you them to be the word of God?
A. By the testimony of God’s Spirit, working faith in my heart to close with that heavenly majesty, and clear divine truth, that shineth in them.
John Owen, The Greater Catechism, The Works of John Owen, ed. William H. Goold, vol. 1 (Edinburgh: T&T Clark, n.d.), 470.