St Augustine defines virtue as ordo amoris, the ordinate condition of the affections in which every object is accorded that kind of degree of love which is appropriate to it. Aristotle says that the aim of education is to make the pupil like and dislike what he ought. When the age for reflective thought comes, the pupil who has been thus trained in 'ordinate affections' or 'just sentiments' will easily find the first principles in Ethics; but to the corrupt man they will never be visible at all and he can make no progress in that science. Plato before him had said the same. The little human animal will not at first have the right responses. It must be trained to feel pleasure, liking, disgust, and hatred at those things which really are pleasant, likeable, disgusting and hateful. In the Republic, the well-nurtured youth is one 'who would see most clearly whatever was amiss in ill-made works of man or ill-grown works of nature, and with a just distaste would blame and hate the ugly even from his earliest years and would give delighted praise to beauty, receiving it into his soul and being nourished by it, so that he becomes a man of gentle heart. All this before he is of an age to reason; so that when Reason at length comes to him, then, bred as he has been, he will hold out his hands in welcome and recognize her because of the affinity he bears to her.'15 In early Hinduism that conduct in men which can be called good consists in conformity to, or almost participation in, the Rtathat great ritual or pattern of nature and supernature which is revealed alike in the cosmic order, the moral virtues, and the ceremonial of the temple. Righteousness, correctness, order, the Rta, is constantly identified with satya or truth, correspondence to reality. As Plato said that the Good was 'beyond existence' and Wordsworth that through virtue the stars were strong, so the Indian masters say that the gods themselves are born of the Rta and obey it.16
The Chinese also speak of a great thing (the greatest thing) called the Tao. It is the reality beyond all predicates, the abyss that was before the Creator Himself. It is Nature, it is the Way, the Road. It is the Way in which the universe goes on, the Way in which things everlastingly emerge, stilly and tranquilly, into space and time. It is also the Way which every man should tread in imitation of that cosmic and supercosmic progression, conforming all activities to that great exemplar.17 'In ritual', say the Analects, 'it is harmony with Nature that is prized.'18 The ancient Jews likewise praise the Law as being 'true'.19
This conception in all its forms, Platonic, Aristotelian, Stoic, Christian, and Oriental alike, I shall henceforth refer to for brevity simply as 'the Tao'. Some of the accounts of it which I have quoted will seem, perhaps, to many of you merely quaint or even magical. But what is common to them all is something we cannot neglect. It is the doctrine of objective value, the belief that certain attitudes are really true, and others really false, to the kind of thing the universe is and the kind of things we are. Those who know the Tao can hold that to call children delightful or old men venerable is not simply to record a psychological fact about our own parental or filial emotions at the moment, but to recognize a quality which demands a certain response from us whether we make it or not. I myself do not enjoy the society of small children: because I speak from within the Tao I recognize this as a defect in myselfjust as a man may have to recognize that he is tone deaf or colour blind. And because our approvals and disapprovals are thus recognitions of objective value or responses to an objective order, therefore emotional states can be in harmony with reason (when we feel liking for what ought to be approved) or out of harmony with reason (when we perceive that liking is due but cannot feel it). No emotion is, in itself, a judgement; in that sense all emotions and sentiments are alogical. But they can be reasonable or unreasonable as they conform to Reason or fail to conform. The heart never takes the place of the head: but it can, and should, obey it.
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This thing which I have called for convenience the Tao, and which others may call Natural Law or Traditional Morality or the First Principles of Practical Reason or the First Platitudes, is not one among a series of possible systems of value. It is the sole source of all value judgements. If it is rejected, all value is rejected. If any value is retained, it is retained. The effort to refute it and raise a new system of value in its place is self-contradictory. There has never been, and never will be, a radically new judgement of value in the history of the world. What purport to be new systems or (as they now call them) 'ideologies', all consist of fragments from the Tao itself, arbitrarily wrenched from their context in the whole and then swollen to madness in their isolation, yet still owing to the Tao and to it alone such validity as they possess. If my duty to my parents is a superstition, then so is my duty to posterity. If justice is a superstition, then so is my duty to my country or my race. If the pursuit of scientific knowledge is a real value, then so is conjugal fidelity. The rebellion of new ideologies against the Tao is a rebellion of the branches against the tree: if the rebels could succeed they would find that they had destroyed themselves. The human mind has no more power of inventing a new value than of imagining a new primary colour, or, indeed, of creating a new sun and a new sky for it to move in.
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This is what Confucius meant when he said 'With those who follow a different Way it is useless to take counsel'. This is why Aristotle said that only those who have been well brought up can usefully study ethics: to the corrupted man, the man who stands outside the Tao, the very starting point of this science is invisible. He may be hostile, but he cannot be critical: he does not know what is being discussed. This is why it was also said 'This people that knoweth not the Law is accursed' and 'He that believeth not shall be damned'. An open mind, in questions that are not ultimate, is useful. But an open mind about the ultimate foundations either of Theoretical or of Practical Reason is idiocy. If a man's mind is open on these things, let his mouth at least be shut. He can say nothing to the purpose. Outside the Tao there is no ground for criticizing either the Tao or anything else.