§2. In the first place, it does not seem clearly agreed whether Veracity is an absolute and independent duty, or a special application of some higher principle. We find (e.g.) that Kant regards it as a duty owed to oneself to speak the truth, because `a lie is an abandonment or, as it were, annihilation of the dignity of man'. And this seems to be the view in which lying is prohibited by the code of honour, except that it is not thought (by men of honour as such) that the dignity of man is impaired by any lying: but only that lying for selfish ends, especially under the influence of fear, is mean and base. In fact there seems to be circumstances under which the code of honour prescribes lying. Here, however, it may be said to be plainly divergent from the morality of Common Sense. Still, the latter does not seem to decide clearly whether truth-speaking is absolutely a duty, needing no further justification: or whether it is merely a general right of each man to have truth spoken to him by his fellows, which right however may be forfeited or suspended under certain circumstances. Just as each man is thought to have a natural right to personal security generally, but not if he is himself attempting to injure others in life and property: so if we may even kill in defence of ourselves and others, it seems strange if we may not lie, if lying will defend us better against a palpable invasion of our rights: and Common Sense does not seem to prohibit this decisively. And again, just as the orderly and systematic slaughter which we call war is thought perfectly right under certain circumstances, though painful and revolting: so in the word-contests of the law-courts, the lawyer is commonly held to be justified in untruthfulness within strict rules and limits: for an advocate is thought to be over-scrupulous who refuses to say what he knows to be false, if he is instructed to say it. Again, where deception is designed to benefit the person deceived, Common Sense seems to concede that it may sometimes be right: for example, most persons would not hesitate to speak falsely to an invalid, if this seemed the only way of concealing facts that might produce a dangerous shock: nor do I perceive that any one shrinks front telling fictions to children, on matters upon which it is thought well that they should not know the truth. But if the lawfulness of benevolent deception in any case be admitted, I do not see how we can decide when and how far it is admissible, except by considerations of expediency; that is, by weighing the gain of any particular deception against the imperilment of mutual confidence involved in all violation of truth.
The much argued question of religious deception (`pious fraud') naturally suggests itself here. It seems clear, however, that Common Sense now pronounces against the broad rule, that falsehoods may rightly be told in the interests of religion. But there is a subtler form in which the same principle is still maintained by moral persons. It is sometimes said that the most important truths of religion cannot be conveyed into the minds of ordinary men, except by being enclosed, as it were, in a shell of fiction; so that by relating such fictions as if they were facts, we are really performing an act of substantial veracity. Reflecting upon this argument, we see that it is not after all so clear wherein Veracity consists. For from the beliefs immediately communicated by any set of affirmations inferences are naturally drawn, and we may clearly foresee that they will be drawn. And though commonly we intend that both the beliefs immediately communicated and the inferences drawn from them should be true, and a person who always aims at this is praised as candid and sincere: still we find relaxation of the rule prescribing this intention claimed in two different ways by at least respectable sections of opinion. For first, as was just now observed, it is sometimes held that if a conclusion is true and important, and cannot be satisfactorily communicated otherwise, we may lead the mind of the hearer to it by means of fictitious premises. But the exact reverse of this is perhaps a commoner view: viz. that it is only an absolute duty to make our actual affirmations true: for it is said that though the ideal condition of human converse involves perfect sincerity and candour, and we ought to rejoice in exhibiting these virtues where we can, still in our actual world concealment is frequently necessary to the well-being of society, and may be legitimately effected by any means short of actual falsehood. Thus it is not uncommonly said that in defence of a secret we may not indeed lie,[3] i.e. produce directly beliefs contrary to fact; but we may ``turn a question aside'', i.e. produce indirectly, by natural inference from our answer, a negatively false belief; or ``throw the inquirer on a wrong scent'', i.e. produce similarly a positively false belief. These two methods of concealment are known respectively as suppressio veri and suggestio falsi, and many think them legitimate under certain circumstances: while others say that if deception is to be practised at all, it is mere formalism to object to any one mode of effecting it more than another.
On the whole, then, reflection seems to show that the rule of Veracity, as commonly accepted, cannot be elevated into a definite moral axiom: for there is no real agreement as to, how far we are bound to impart true beliefs to others: and while it is contrary to Common Sense to exact absolute candour under all circumstances, we yet find no self-evident secondary principle, clearly defining when it is not to be exacted.