Cf. Aquinas Ethicus I, pp. 209, 213, 256, 346, 347: II, 367. As we speak of the 'orientation' of churches, we might call this deordinatis mentis a 'deorientation,' the soul no longer looking towards its First Beginning. Under this head, as will be seen, St Thomas includes the privation of charity, which is the principal loss incurred by mortal sin. Throughout this chapter the sin spoken of is mortal sin.
Of God and His Creatures: 4.72