Thomas Aquinas

Saint Thomas Aquinas (ca. 1225-1274) was an Italian Catholic priest of the Dominican order, philosopher, and theologian known for his Summa Theologiae. He was canonized by Pope John XXII in 1323 and declared Doctor of the Church by Pope Pius V in 1567.


An act of love always tends towards two things; to the good that one wills, and to the person for whom one wills it.

God is known by natural knowledge through the images of his effects.

God is said to rejoice more over the penitent than over the innocent, because often penitents rise from sin more cautious, humble, and fervent.

God therefore neither wills evil to be done, nor wills it not to be done, but wills to permit evil to be done; and this is a good.

Grammar does not make a man always speak correctly.

Hence, just as the musician accepts on authority the principles taught him by the mathematician, so sacred science is established on principles revealed by God.

In making any assertion, we must be guided by the nature of things, except in those things which are above nature, and are made known to us by Divine authority.

Just as in syllogistic arguments, granted one absurdity, others must needs follow; so in moral matters, given one absurdity, others must follow too.

Movement is attributed to the mover rather than the one moved; wherefore homicide is not ascribed to the stone, but to the thrower.

Nothing subsisting is greater than the rational soul, except God.

Now action is properly ascribed, not to the instrument, but to the principal agent, as building is ascribed to the builder, not to his tools.

Now we are masters in respect of to act and not to act, to will and not to will.

Since faith rests upon infallible truth, and since the contrary of a truth can never be demonstrated, it is clear that the arguments brought against faith cannot be demonstrations, but are difficulties that can be answered.

The consequences of an action do not increase its goodness or malice.

The power of the will does not extend to making opposites exist at the same time.

The reason why we love those who are straightforward is that they make known the truth, and the knowledge of the truth, considered in itself, is a desirable thing.

Thus while walking along the road one needs not to be thinking of the end at every step.

Wherefore, any good or evil, done to the member of a society, redounds on the whole society: thus, who hurts the hand, hurts the man.

Scott Bradford is a writer and technologist who has been putting his opinions online since 1995. He believes in three inviolable human rights: life, liberty, and property. He is a Catholic Christian who worships the trinitarian God described in the Nicene Creed. Scott is a husband, nerd, pet lover, and AMC/Jeep enthusiast with a B.S. degree in public administration from George Mason University.