The fact is certain because it is impossible.

It is absolutely forbidden to repay evil with evil.

The Lord's Prayer "is truly the summary of the whole gospel." "Since the Lord...after handling over the practice of prayer, said elsewhere, 'Ask and you will receive,' and since everyone has petitions which are peculiar to his circumstances, the regular and appropriate prayer (the Lord's Prayer) is said first, as the foundation of further desires.

See how these Christians love one another.

If we refuse our homage to statues and frigid images, the very counterpart of their dead originals, with which hawks, and mice, and spiders are so well acquainted, does it not merit praise instead of penalty [Christians were punished for not worshiping Roman gods] that we have rejected what we have come to see is error? We cannot surely be made out to injure those whom we are certain are nonentities. What does not exist is in its nonexistence secure from suffering.

Now we allow that life begins with conception, because we contend that the soul also begins from conception; life taking its commencement at the same moment and place that the soul does.

The pleasure of those who injure you lies in your pain. Therefore they will suffer if you take away their pleasure by not feeling pain