ectypal.net

...saving faith always includes a cognitive component as well. Granted, this knowledge of saving faith is essentially distinct from the knowledge of historical faith. Even if the latter precedes the former, it is later grafted anew upon saving faith and changes in character. It is no mere “holding as true” but a firm and certain knowledge in the sense of Holy Scripture; the biblical idea of “knowing” is quite different and much deeper than that implied in ordinary usage. Nevertheless, the knowledge that believers possess is not immediate and not acquired by their insight. It is bound to Holy Scripture; it rests upon the witness of the apostles and prophets as the word of God.