Then Peter came and said to him, “Lord, if another member of the church sins against me, how often should I forgive? As many as seven times?” Jesus said to him, “Not seven times, but, I tell you, seventy-seven times. Matthew 18:21-22 NRSV
It is made perfectly clear that if we do not forgive we shall not be forgiven. There are no two ways about it. What are we to do?
It is going to be hard enough anyway, but I think there are two things we can do to make it easier. When you start mathematics you do not begin with the calculus; you begin with simple addition. In the same way, if we really want (but all depends on really wanting) to learn how to forgive, perhaps we had better start with something easier than the Gestapo. One might start with forgiving one’s husband or wife, or parents or children, or the nearest N.C.O., for something they have done or said in the last week. That will probably keep us busy for the moment. And secondly, we might try to understand exactly what loving your neighbour as yourself means. I have to love him as I love myself. Well, how exactly do I love myself?
Now that I come to think of it, I have not exactly got a feeling of fondness or affection for myself, and I do not even always enjoy my own society. So apparently “Love your neighbour” does not mean “feel fond of him” or “ﬁnd him attractive.” I ought to have seen that before, because, of course, you cannot feel fond of a person by trying. Do I think well of myself, think myself a nice chap? Well, I am afraid I sometimes do (and those are, no doubt, my worst moments) but that is not why I love myself. In fact it is the other way round: my self-love makes me think myself nice, but thinking myself nice is not why I love myself. So loving my enemies does not apparently mean thinking them nice either. That is an enormous relief. For a good many people imagine that forgiving your enemies means making out that they are really not such bad fellows after all, when it is quite plain that they are.
Go a step further. In my most clear-sighted moments not only do I not think myself a nice man, but I know that I am a very nasty one. I can look at some of the things I have done with horror and loathing. So apparently I am allowed to loathe and hate some of the things my enemies do. Now that I come to think of it, I remember Christian teachers telling me long ago that I must hate a bad man’s actions, but not hate the bad man: or, as they would say, hate the sin but not the sinner.
For a long time I used to think this a silly, straw-splitting distinction: how could you hate what a man did and not hate the man? But years later it occurred to me that there was one man to whom I had been doing this all my life—namely myself. However much I might dislike my own cowardice or conceit or greed, I went on loving myself. There had never been the slightest difﬁculty about it. In fact the very reason why I hated the things was that I loved the man. Just because I loved myself, I was sorry to ﬁnd that I was the sort of man who did those things. Consequently, Christianity does not want us to reduce by one atom the hatred we feel for cruelty and treachery. We ought to hate them. Not one word of what we have said about them needs to be unsaid. But it does want us to hate them in the same way in which we hate things in ourselves: being sorry that the man should have done such things, and hoping, if it is anyway possible, that somehow, sometime, somewhere he can be cured and made human again.