Albert Barnes on Matthew 6:14

If ye forgive If ye pardon.

Trespasses. Offences, faults. If ye forgive others when they offend or injure you. This is constantly required in the Bible. Our Saviour says we should forgive even if the offence be committed seventy times seven times, Mt 18:22. By this is meant, that when a man asks forgiveness, we are cordially and for ever to pardon the offence; we are to declare our willingness to forgive him. If he does not ask forgiveness, yet we are still to treat him kindly; not to harbour malice; not to speak ill of him; to be ready to do him good; and be always prepared to declare him forgiven when he asks it.