St. Thomas Aquinas

Is it against the natural law to have several wives?

Virtuous men have better dreams in their sleep than others who are not virtuous.

As in bodily life the body is not moved save by the soul, by which it has life, so in the spiritual life, all of our movements should be through the Holy Spirit.

The sacrifice of the New Law, viz. the Eucharist, contains Christ Himself, the Author of our Sanctification: for He sanctified "the people by His own blood" (Heb. 13:12).

Because of his infinite goodness, it is more proper to God to show mercy and to spare than to punish (ST 2-2.21.2).

The melancholic has a strong desire for pleasures, in order to drive away sorrow.

Man and other rational creatures attain to their last end by knowing and loving God.

Do you not know that your body is a temple of the Holy Spirit within you, which you have from God? You are not your own; you were bought with a price. So glorify God in your body (Romans 6:19-20).

Fraternal correction also is an act of charity, because thereby we drive out our brother's evil, viz. sin,

Our intellect can be in conformity with things that, although not existing now, will exist in the future. Otherwise, it would not be true to say that “the Anti-Christ will be born” (DV 1.5).

Unbelief may be taken in two ways: first, by way of pure negation, so that a man be called an unbeliever, merely because he has not the faith. Secondly, unbelief may be taken by way of opposition to the faith; in which sense a man refuses to hear the faith, or despises it.

Is unbelief the greatest of sins?

Anyone who desires to be refreshed by the bread of the divine Word and by the body and blood of’ the Lord, must pass from vices to virtues: “Our Passover, Christ, has been sacrificed, and so let us feast with the unleavened bread of sincerity and truth” (1 Cor 5:7).

In the same type of sin a believer sins more gravely than an unbeliever.

The oldness of sin can refer to the guilt of sin or to the stain of actual sins or even to the habit of sinning, which engenders a sort of compulsion to sin.

Sorrow according to God is more common than penance, because penance is about one’s own sins, but one sorrows according to God for his own sins and those of others.

It is indeed good to desire a good work, but to desire the primacy of honor is vanity.

Love has the nature of a first gift, through which all free gifts are given. So since the Holy Spirit proceeds as love, He proceeds as the first gift (ST 1.38.2).

Is "Gift" the proper name of the Holy Spirit?

When we say, "The Blessed Virgin is the Mother of God," this word "God" stands only for the incarnate Person of the Son.