Date: 1257

"Finally, love, which is the gravitational force of the soul and the origin of all spiritual attraction, tends toward self with ease, but reaches out to the neighbor with effort, and to God with still greater pain."

— St. Bonaventure [born Giovanni di Fidanza] (1217-1274)

Date: 1257

"This disease denies to the soul the life of grace; [it denies it] the enabling rectitude of all the virtues; it inclines the soul in a certain measure toward every kind of sin."

— St. Bonaventure [born Giovanni di Fidanza] (1217-1274)

Date: 1257

"By means of this suffering, inflicted by a real fire, the souls are cleansed of the guilt and dross of sin, and also of its sequels."

— St. Bonaventure [born Giovanni di Fidanza] (1217-1274)

Date: 1257

"Now, because actual sin offends God's majesty, damages the Church, and distorts the divine image stamped on the soul - especially if the sin is mortal, although venial sin will tend to do the same; and because offense calls for punishment, damage for repair, and distortion for purification: ther...

— St. Bonaventure [born Giovanni di Fidanza] (1217-1274)

Date: 1273

"But the human intellect, which is the lowest in the order of intelligence and most remote from the perfection of the Divine intellect, is in potentiality with regard to things intelligible, and is at first 'like a clean tablet on which nothing is written,' as the Philosopher says (De Anima iii, ...

— St. Thomas Aquinas (1225-1274)

Date: 1273

"Therefore the soul, which is the first principle of life, is not a body, but the act of a body; thus heat, which is the principle of calefaction, is not a body, but an act of a body."

— St. Thomas Aquinas (1225-1274)

Date: 1273

"But the soul does not operate; for, as the Philosopher says (De Anima i, 4), 'to say that the soul feels or understands is like saying that the soul weaves or builds.'"

— St. Thomas Aquinas (1225-1274)

Date: 1273

"We may therefore say that the soul understands, as the eye sees; but it is more correct to say that man understands through the soul."

— St. Thomas Aquinas (1225-1274)

Date: 1273

"According to the Philosopher (Ethic. ix, 8), a thing seems to be chiefly what is principle in it; thus what the governor of a state does, the state is said to do. In this way sometimes what is principle in man is said to be man; sometimes, indeed, the intellectual part which, in accordance with ...

— St. Thomas Aquinas (1225-1274)

Date: 1273

"For that whereby primarily anything acts is a form of the thing to which the act is to be attributed: for instance, that whereby a body is primarily healed is health, and that whereby the soul knows primarily is knowledge; hence health is a form of the body, and knowledge is a form of the soul."

— St. Thomas Aquinas (1225-1274)