Whoever, then, thinks that he understands the Holy Scriptures, or any part of them, but puts such an interpretation upon them as does not tend to build up this twofold love of God and our neighbor, does not yet understand them as he ought.
... at the beginning of the human race the woman was made of a rib taken from the side of the man while he slept; for it seemed fit that even then Christ and His Church should be foreshadowed in this event. For that sleep of the man was the death of Christ, whose side, as He hung lifeless upon the Cross, was pierced with a spear, and there flowed from it blood and water, and these we know to be the sacraments by which the Church is built up.
Don't hold yourselves cheap, seeing that the creator of all things and of you estimates your value so high, so dear, that he pours out for you every day the most precious blood of his only-begotten Son.
Within the Church, sins are forgiven in three ways: by baptism, by prayer, and by the greater humility of penance; yet God does not forgive sins except to the baptized.
Your first task is to be dissatisfied with yourself, fight sin, and transform yourself into something better. Your second task is to put up with the trials and temptations of this world that will be brought on by the change in your life and to persevere to the very end in the midst of these things.
Free curiosity has greater power to stimulate learning than rigorous coercion. Nevertheless, the free ranging flux of curiosity is channeled by discipline under Your Law.
Men go forth to marvel at the height of mountains, and the huge waves of the sea, the broad flow of the rivers, the vastness of the ocean, the orbits of the stars, and yet they neglect to marvel at themselves. Variant: Men go abroad to admire the heights of mountains, the mighty billows of the sea, the broad tides of rivers, the compass of the ocean, and the circuits of the stars, and pass themselves by.
What is held by the whole Church, and that not as instituted by Councils, but as a matter of invariable custom, is rightly held to have been handed down by authority.
If bodies please thee, praise God on occasion of them, and turn back thy love upon their Maker; lest in these things which please thee, thou displease. If souls please thee, be they loved in God: for they too are mutable, but in Him they are firmly established.
All diseases of Christians are to be ascribed to demons; chiefly do they torment freshly-baptized Christians, yea, even the guiltless new-born infants.
God bids you not to commit lechery, that is, not to have sex with any woman except your wife. You ask of her that she should not have sex with anyone except you -- yet you are not willing to observe the same restraint in return.