7 time 70 times, or an infinite number of times.
Matthew 18:21-22 (NKJV) "Then Peter came to Him and said, “Lord, how often shall my brother sin against me, and I forgive him? Up to seven times?” 22 Jesus said to him, “I do not say to you, up to seven times, but up to seventy times seven."
“If thy brother trespass against thee, rebuke him; and if he repent, forgive him.” Treat him and his errors as you wish God to treat you when you offend him. You should not say, as some have said, who ought to know better, “I do not think he feels humble enough. I do not think he feels his confession.” What right have you to judge him, as if you could read the heart? The word of God says, “If he repent, forgive him. And if he trespass against thee seven times in a day, and seven times in a day turn again to thee, saying, I repent; thou shalt forgive him.” And not only seven times, but seventy times seven, should you forgive him,—just as often as Christ forgives you." {HM January 1, 1892, par. 20}
The Jewish precepts enjoined upon men the duty of forgiving five offenses, and Peter thought that in suggesting seven times he had reached the limit of human patience. But Jesus would have him understand that those who had the divine mind, and were imbued with the divine spirit, would exercise forgiveness without limit. The plan and ground of salvation, which is love, is the principle which must be carried out by [the] human family. Should Christ limit His mercy, compassion, and forgiveness by a certain number of sins, how few men would be saved! But the mercy of Christ in forgiving the iniquities of men teaches us that there must be free forgiveness of wrong and sin that are committed against us by our fellow men. Christ gave this lesson to His disciples to correct the evils that were being taught and practiced in the precepts and examples of those who were interpreting the Scriptures at that time. {Lt30-1895.}
The principle upon which Christ acted in seeking the recovery of the human family through the plan of salvation was the very same principle that must actuate His followers in their dealings one with another, when brought into church capacity. The lesson was also to impress upon our minds the fact that we cannot reach heaven by our own merits, but only through the wonderful mercy and forbearance of God which is exercised toward us who can in no way render an equivalent. Men can be saved only through the wonderful forbearance of God in the forgiveness of his many sins and transgressions. But those who are blessed by the mercy of God should exercise the same spirit of forbearance and forgiveness toward those who constitute the Lord’s family. {Lt30-1895.}
"Christ has died to save souls, and those who wear the yoke with Him, will be co-partners with Him, and will act in a Christlike manner. When a soul is in spiritual danger, and falls from error into sin, such an one will not push him away, drive him to take desperate positions, and discourage him in every effort he may make to recover himself. Peter asked, “Lord, How often shall my brother sin against me, and I forgive him? Till seven times? Jesus saith unto him, I say not unto thee, Until seven times; but, Until seventy times seven.” [Matthew 18:21, 22.] This is to make manifest the fact that there is no limit to the forgiving love of Christ." {Lt 16a, 1895, par. 8}