If a pagan asks you to show him your faith, take him into church and place him before the icons.

Because the one who by excellency of nature transcends all quantity and size and magnitude...has now...contracted himself into a quantity and size and has acquired a physical identity, do not hesitate any longer to draw pictures and to set forth, for all to see, him who has chosen to let himself be seen.

In former times, God, who is without form or body, could never be depicted. But now when God is seen in the flesh conversing with men, I make an image of the God whom I see. I do not worship matter; I worship the Creator of matter who became matter for my sake.

Both angels and demons are ignorant of the future, yet they make predictions. The angels do so when God reveals the future to them and commands them to prophesy, and what they prophesy comes to pass. Demons also make predictions, but these are only guesses based on what they see from afar.

He who does not believe according to the tradition of the Catholic Church is an unbeliever.

If the Word of God is living and powerful, and if the Lord does all things whatsoever he wills; if he said, "Let there be light", and it happened; if he said, "let there be a firmament", and it happened; ...if finally the Word of God himself willingly became man and made flesh for himself out of the most pure and undefiled blood of the holy and ever Virgin, why should he not be capable of making bread his Body and wine and water his Blood?... God said, "This is my Body", and "This is my Blood."

All who ask receive, those who seek find, and to those who knock it shall be opened. Therefore, let us knock at the beautiful garden of Scripture. It is fragrant, sweet, and blooming with various sounds of spiritual and divinely inspired birds. They sing all around our ears, capture our hearts, comfort the mourners, pacify the angry, and fill us with everlasting joy.