Thomas Aquinas Quotes

Powerful Thomas Aquinas for Daily Growth

About Thomas Aquinas

Thomas Aquinas (1225-1274), born as Rocco Tommaso della Famiglia Aquina in Italy, was a seminal figure in the development of Western philosophy and theology. Known as Angelis Scriptor (The "Angelic Doctor"), he is revered for his profound contributions to Catholic Christianity and scholasticism. Raised by his uncle, Robert, the Benedictine abbot of Monte Cassino, Aquinas received education at the monastery school. His intellectual pursuit continued at the University of Naples where he studied Aristotle, and at Paris under Albertus Magnus. Aquinas's philosophy was largely shaped by the reconciliation of Aristotelian philosophy with Christian theology. In 1245, Thomas joined the Dominican Order and, in 1252, was sent to the University of Paris to study theology. His magnum opus, Summa Theologica, was written between 1265 and 1273, aiming to harmonize reason with faith. This comprehensive work remains one of the most influential texts in the Catholic Church's intellectual tradition. Thomas Aquinas's other notable works include Summa Contra Gentiles (1259), a philosophical argument for Christianity intended for non-Christians, and Quaestiones Disputatae de Veritate (Questions on Truth), which explores the nature of truth within the context of God's relationship with the world. Thomas Aquinas died in 1274 while returning to attend the Second Council of Lyons. His influence extends beyond theology, as his work shaped the development of Western thought, ethics, and metaphysics. Saint Thomas Aquinas is canonized as a Doctor of the Church by the Catholic Church, honoring him for his extraordinary intellect and unwavering faith.

Interpretations of Popular Quotes

"To one who has faith, no explanation is necessary. To one without faith, no explanation is possible."

This quote by Thomas Aquinas highlights the paradoxical nature of faith. For those who have faith, understanding and accepting certain truths require no additional proof or explanation because they are rooted in belief, not rationality alone. Conversely, for someone without faith, these same truths may be incomprehensible as they lack a personal framework that allows them to appreciate the underlying principles. In essence, Aquinas suggests that faith transcends mere logic and reasoning, providing understanding and meaning to those who embrace it.


"The more a thing appeals to reason, the more beautiful and good it appears."

This quote by Thomas Aquinas suggests that the more a thing can be understood through rational analysis, the more its inherent beauty and goodness become evident. In other words, understanding something deeply not only makes it aesthetically pleasing but also morally sound. He implies that reasoning serves as a means to appreciate both the aesthetic and moral aspects of reality.


"Charity does not dispense us from the observance of truth."

This quote emphasizes that while charity or love is a fundamental virtue, it doesn't absolve one from the obligation to tell the truth. In other words, kindness should never be used as an excuse to deceive or manipulate others. Truth and honesty are essential principles that must always be upheld, even when interacting with loved ones.


"It is the duty of the clergy to be men of learning."

This quote emphasizes that members of the clergy, being spiritual leaders within religious communities, should possess deep knowledge and understanding of their faith's scriptures, teachings, and traditions. By being men (or women) of learning, they are expected to educate themselves diligently and share this knowledge with others effectively, fostering a strong connection between faith, wisdom, and spiritual guidance.


"Actus purus est actus perfectus et acts perfectus est actus indefectus." (A pure act is a perfect act, and a perfect act is an uninterrupted act.)

This quote by Thomas Aquinas emphasizes the notion that a 'pure act' denotes perfection and continuity. In other words, when an action or being is not hindered by any internal defects or external interruptions (such as time or circumstances), it achieves the state of perfection. The idea is that for something to be at its best, it should be able to perform its intended function consistently and without flaw, which Aquinas refers to as an 'uninterrupted act'.


It is clear that he does not pray, who, far from uplifting himself to God, requires that God shall lower Himself to him, and who resorts to prayer not to stir the man in us to will what God wills, but only to persuade God to will what the man in us wills.

- Thomas Aquinas

Will, Clear, Lower, Stir

To one who has faith, no explanation is necessary. To one without faith, no explanation is possible.

- Thomas Aquinas

Possible, Necessary, Faith

Temperance is simply a disposition of the mind which binds the passion.

- Thomas Aquinas

Mind, Which, Binds, Disposition

Three conditions are necessary for Penance: contrition, which is sorrow for sin, together with a purpose of amendment; confession of sins without any omission; and satisfaction by means of good works.

- Thomas Aquinas

Amendment, Which, Means, Contrition

Friendship is the source of the greatest pleasures, and without friends even the most agreeable pursuits become tedious.

- Thomas Aquinas

Friendship, Pleasures, Most, Agreeable

To convert somebody go and take them by the hand and guide them.

- Thomas Aquinas

Go, Them, Take, Convert

Every judgement of conscience, be it right or wrong, be it about things evil in themselves or morally indifferent, is obligatory, in such wise that he who acts against his conscience always sins.

- Thomas Aquinas

Judgement, Always, Morally

How is it they live in such harmony the billions of stars - when most men can barely go a minute without declaring war in their minds about someone they know.

- Thomas Aquinas

Harmony, Go, Billions, Declaring

In order for a war to be just, three things are necessary. First, the authority of the sovereign. Secondly, a just cause. Thirdly, a rightful intention.

- Thomas Aquinas

War, Necessary, Rightful, Intention

Sorrow can be alleviated by good sleep, a bath and a glass of wine.

- Thomas Aquinas

Sleep, Sympathy, Glass, Bath

Hold firmly that our faith is identical with that of the ancients. Deny this, and you dissolve the unity of the Church.

- Thomas Aquinas

Unity, Firmly, Identical, Dissolve

Better to illuminate than merely to shine, to deliver to others contemplated truths than merely to contemplate.

- Thomas Aquinas

Better, Than, Truths, Contemplated

Beware of the person of one book.

- Thomas Aquinas

Book, Person, Beware, One Book

Because of the diverse conditions of humans, it happens that some acts are virtuous to some people, as appropriate and suitable to them, while the same acts are immoral for others, as inappropriate to them.

- Thomas Aquinas

Some, Them, Appropriate, Inappropriate

Because philosophy arises from awe, a philosopher is bound in his way to be a lover of myths and poetic fables. Poets and philosophers are alike in being big with wonder.

- Thomas Aquinas

Big, Fables, Poetic, Arises

Love is a binding force, by which another is joined to me and cherished by myself.

- Thomas Aquinas

Love, Which, Joined, Binding

The truth of our faith becomes a matter of ridicule among the infidels if any Catholic, not gifted with the necessary scientific learning, presents as dogma what scientific scrutiny shows to be false.

- Thomas Aquinas

Scientific, Necessary, Dogma, Ridicule

The theologian considers sin mainly as an offence against God; the moral philosopher as contrary to reasonableness.

- Thomas Aquinas

Philosopher, Considers, Offence

To bear with patience wrongs done to oneself is a mark of perfection, but to bear with patience wrongs done to someone else is a mark of imperfection and even of actual sin.

- Thomas Aquinas

Patience, Wrongs, Actual, Imperfection

Perfection of moral virtue does not wholly take away the passions, but regulates them.

- Thomas Aquinas

Away, Wholly, Take, Perfection

That the saints may enjoy their beatitude and the grace of God more abundantly they are permitted to see the punishment of the damned in hell.

- Thomas Aquinas

Enjoy, More, May, Permitted

The highest manifestation of life consists in this: that a being governs its own actions. A thing which is always subject to the direction of another is somewhat of a dead thing.

- Thomas Aquinas

Always, Manifestation, Which, Governs

Man cannot live without joy; therefore when he is deprived of true spiritual joys it is necessary that he become addicted to carnal pleasures.

- Thomas Aquinas

Without, Necessary, Addicted, Carnal

Good can exist without evil, whereas evil cannot exist without good.

- Thomas Aquinas

Evil, Exist, Cannot, Whereas

It is requisite for the relaxation of the mind that we make use, from time to time, of playful deeds and jokes.

- Thomas Aquinas

Mind, Deeds, Use, From Time To Time

As regards the individual nature, woman is defective and misbegotten, for the active power of the male seed tends to the production of a perfect likeness in the masculine sex; while the production of a woman comes from defect in the active power.

- Thomas Aquinas

Woman, Seed, Individual, Likeness

How can we live in harmony? First we need to know we are all madly in love with the same God.

- Thomas Aquinas

Love, Harmony, How, Madly

Love must precede hatred, and nothing is hated save through being contrary to a suitable thing which is loved. And hence it is that every hatred is caused by love.

- Thomas Aquinas

Love, Through, Which, Suitable

Clearly the person who accepts the Church as an infallible guide will believe whatever the Church teaches.

- Thomas Aquinas

Will, Teaches, Accepts, Infallible

Happiness is secured through virtue; it is a good attained by man's own will.

- Thomas Aquinas

Happiness, Will, Through, Attained

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