" We are not Christians, except on account of a future life: let no one hope for present blessings, let no one promise himself the happiness of the world, because he is a Christian: but let him use the happiness he hath, as he may, in what manner he may, when he may, as far as he may. "

― Augustine of Hippo , The Complete Works of Saint Augustine: The Confessions, On Grace and Free Will, The City of God, On Christian Doctrine, Expositions on the Book Of Psalms, ... (50 Books With Active Table of Contents)