Quotes from Peter Kreeft

Sin is to faith what infidelity is to marriage.

Each angel is inferior or superior to every other angel. From the fact that angels are pure spirits it logically follows that they are unequal.

Faith is like a rock; feelings are like waves.

He came. That is the salient fact, the towering truth, that alone keeps us from putting a bullet through our heads. He came.

The transformation of Christ's bodily scars into badges of glory shows us what happens, even in this life, to our souls when we lovingly and trustingly offer our sufferings to Christ and unite them to His. He turns "deformity" into "dignity".

Human fathers give human life, animal fathers give animal life, God the Father gives divine life. It's called grace.

from each according to his ability to each according to his need"

As C.S. Lewis says, "God whispers in our pleasures but shouts in our pains. Pain is his megaphone to rouse a dulled world.

Live a life of love, especially the love of God, and observe the joy of it. Live a life of lovelessness and observe the joylessness of it.

Praying anywhere can easily become praying nowhere, just as praying anytime can easily become praying at no time. Everything in general becomes nothing in particular.

Only when there is virtue in souls can there be peace and happiness in society.

We too can love with the will even when we do not have loving emotions or feelings. We make this distinction toward ourselves quite easily, so we should be able to do it toward others too when necessary.

Christ deliberately hides Himself, disguises Himself, gives no physical sign of His Real Presence in the Eucharist, for a crucially important purpose: to test and elicit and strengthen our faith. If we saw miraculous signs in every Eucharist, or if the Eucharistic bread and wine had no taste, like other bread and wine, or even if we felt unique feelings each time we received the Eucharist, our faith would be less strong because it would have sensible or emotional crutches to lean on.

Therefore if we lack the feeling of repentance but nevertheless want to repent; if we choose repentance with the will; we are then repenting, since repentance is that choice of the will.

The difference between a counsel and a commandment is that a commandment implies obligation, whereas a counsel is left to the option of the one to whom it is given.

St. Thomas is as practical and plain and reasonable in ethics as Aristotle, or Confucius, or your uncle.

In essentials, unity; in inessentials, diversity; in all things, charity.

What is voluntary comes from the will; what is forced comes to the will from outside and prevents it from doing what it will.

What we do in our parishes and homes contributes to what Christ is doing: preparing the Second Coming. That is the final meaning of our daily work.

There is no such thing as an involuntary sin.

The root of most atheism i not argument but attitude, not itellection but feeling, not the love of truth but the fear of truth.

In a sense "all the way to Heaven is Heaven" (St. Catherine).

A fundamental principle of Catholic theology is that grace perfects nature rather than setting it aside; and that means that the Christian life is not a two-layer cake, the supernatural simply added on to the natural. It transforms the natural but by perfecting it, not by demeaning it.

In fact, educated people can justify sins more easily than uneducated people can, because they are clever enough to rationalize their sins away.