Pagan philosophers set up reason as the sole guide of life, of wisdom and conduct; but Christian philosophy demands of us that we surrender our reason to the Holy Spirit; and this means that we no longer live for ourselves, but that Christ lives and reigns within us (Rom 12:1; Eph 4:23; Gal 2:20).

Golden Booklet of the True Christian Life (ed. Baker Books, 2004) - ISBN: 9781585581047