35 But may the Lord deliver us from such delusion: and may there be given to you a hatred against the serpent, that as they lie in wait for the heel, so you may trample on their head. Remember what I say. What agreement can there be between our state and theirs? What communion has light with darkness? What has the majesty of the Church to do with the abomination of the Manichees? Here is order, here is discipline, here is majesty, here is purity: here even to look upon a woman to lust after her is condemnation. Here is marriage with sanctity, here steadfast continence, here virginity in honour like the Angels: here partaking of food with thanksgiving, here gratitude to the Creator of the world. Here the Father of Christ is worshipped: here are taught fear and trembling before Him who sends the rain: here we ascribe glory to Him who makes the thunder and the lightning.
Source: Catechetical Lectures (New Advent)