Jesus answered, “I tell you, not just seven times, but seventy-seven times!
As there never was a greater pattern of humility, so there never was a greater preacher of it, than Christ; he took all occasions to command it, to commend it, to his disciples and followers. I. The occasion of this discourse concerning humility was an unbecoming contest among the disciples for precedency; they came to him, saying, among themselves (for they were ashamed to ask...
Commenting on Matthew 18:1-35
But forasmuch as he had not to pay,.... Every sinner is insolvent; sinful man has run out the whole stock of nature, and is become a bankrupt, and has nothing to offer by way of composition; nor has he any righteousness to answer for him, nor any works of righteousness which deserve that name: and if he had, these are nothing in point of payment...
Jesus saith unto him, I say not unto thee, Until seven times; but, Until seventy times seven--that is, so long as it shall be needed and sought: you are never to come to the point of refusing forgiveness sincerely asked. (See on Luk 17:3-4).