Matthew 18:22

Shepherd of Hermas Vision Second

then shall they be forgiven all the sins which in former times they committed, and forgiveness will be granted to all the saints who have sinned even to the present day, if they repent with all their heart, and drive all doubts from their minds.[9]

Tertullian On Repentance

Chapter V.-Sin Never to Be Returned to After Repentance.[38]

Tertullian On Modesty

and against His temple? For, as far as you are concerned, such as are chargeable with offence against you personally, you are commanded, in the person of Peter, to forgive even seventy times sevenfold.[269]

Constitutions of the Holy Apostles Book II

for the Lord has given thee authority to remit those sins to thy brother which he has committed against thee as far as "seventy times seven,"[238]

Origen Commentary on Matthew Book XIV

But since as units the tens and the hundreds have acertain common measure of proportion to the number which is in units, and Jesus knew that the numbermight be exceeded, on this account, I think, that He added to the number seven also theseventy,[37]