What do you think serving God involves other than avoiding evil, keeping his commandments, and being occupied with the things of God as best we can?
Saint John of the Cross
Letter 19 to Doña Juana de Pedraza
12 October 1589
John of the Cross, St. 1991, The Collected Works of St. John of the Cross, Revised Edition, translated from the Spanish by Kavanaugh, K and Rodriguez, O with revisions and introductions by Kavanaugh, K, ICS Publications, Washington DC.