Then there is another thing: we not only neglect the rigid application of conscience to all our lives, but we have a double standard, and the notion of right and wrong which we apply to our neighbours is very different from that which we apply to ourselves. No wonder that the criminal is acquitted, and goes away from the tribunal 'without a stain on his character,' when he is his own judge and jury. 'All the ways of a man are right in his own eyes,' but the very same 'ways' that you allow to pass muster and condone in yourselves, you visit with sharp and unfailing censure in others. That strange self-complacency which we have, which is perfectly undisturbed by the most general confessions of sinfulness, and only shies when it is brought up to particular details of faults, we all know is very deep in ourselves.
Then there is another thing to be remembered, and that is--the enormous and the tragical influence of habit in dulling the mirror of our souls, on which our deeds are reflected in their true image. There are places in Europe where the peasantry have become so accustomed to minute and constantly repeated doses of arsenic that it is actually a minister of health to them, and what would poison you is food for them. We all know that we may sit in a hall like this, packed full and steaming, while the condensed breath is running down the windows, and never be aware of the foulness of the odours and the air. But when we go out and feel the sweet, pure breath of the unpolluted atmosphere, then we know how habit has dulled the lungs. And so habit dulls the conscience. According to the old saying, the man that began by carrying a calf can carry an ox at the end, and feel no burden. What we are accustomed to do we scarcely ever recognise to be wrong, and it is these things which pass because they are habitual that do more to wreck lives than occasional outbursts of far worse evils, according to the world's estimate of them. Habit dulls the eye.
Yes; and more than that, the conscience needs educating just as much as any other faculty. A man says, 'My conscience acquits me'; then the question is, 'And what sort of a conscience have you got, if it acquits you?' All that your conscience says is, 'It is right to do what is right, it is wrong to do what is wrong.' But for the explanation of what is wrong and what is right you have to go somewhere else than to your consciences. You have to go to your reason, and your judgment, and your common sense, and a hundred other sources. And then, when you have found out what is right and what is wrong, you will hear the voice saying, 'Do that, and do not do this.' Every one of us has faults that we know nothing about, and that we bring up to the tribunal of our consciences, and wipe our mouths and say, 'We have done no harm.' 'I thought within myself that I verily ought to do many things contrary to the name of Jesus of Nazareth.' 'They think that they do God service.' Many things that seem to us virtues are vices.
And as for the individual so for the community. The perception of what is right and what is wrong needs long educating. When I was a boy the whole Christian Church of America, with one voice, declared that 'slavery was a patriarchal institution appointed by God.' The Christian Church of to-day has not awakened either to the sin of war or of drink. And I have not the smallest doubt that there are hosts of things which public opinion, and Christian public opinion, regards to-day as perfectly allowable and innocent, and, perhaps, even praiseworthy, and over which it will ask God's blessing, at which, in a hundred years our descendants will hold up their hands in wonder, and say, 'How did good people--and good people they no doubt were--tolerate such a condition of things for a moment?' 'All a man's ways are right in his own eyes,' and he needs a great deal of teaching before he comes to understand what, according to God's will, really, is right and what is wrong.