The Principles of Moral and Christian Philosophy. George Turnbull
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It must be the same in moral philosophy.
In like manner in moral philosophy, whatever can be proved to belong to, result from; or contrary wise, to be repugnant to the very definition of intelligence, volition, affection, habit, or any moral power; and a supposed law of such power will become a part of moral philosophy, so soon as such power is known to exist: or vice versa, any effects<22> that can only result from such a law, being found by experience to take place, the law itself must be inferred; and so of course all belonging to that law will come into philosophy, as appertaining to it, and be a key to moral nature and its phenomena, as such. Now of this kind of reasonings in moral philosophy, many instances occur in the following enquiry, almost in every chapter, which for that reason above-mentioned, have the same relation to moral philosophy, that abstract mathematical truths have to natural philosophy, and make part of it in the same way as these do of the latter.
Conclusions concerning moral philosophy.
In fine, the only thing in enquiries into any part of nature, moral or corporeal, is not to admit any hypothesis as the real solution of appearances, till it is found really to take place in nature, either by immediate experiment, or by necessary reasonings from effects, that unavoidably lead to it as their sole cause, law, or principle. But all demonstrations which shew that certain moral ideas must have certain relations, that is, certain agreements and disagreements, are in the same way a key to moral nature, that demonstrations relative to the agreements and disagreements of sensible ideas, as gravity, elasticity, circles, triangles, &c. belong, are applicable, or a key to natural philosophy. So that as the explication of the mundan system, being mixed of reasonings and observations, is properly called mixed mathematics, or mixed natural philosophy; so an account of human nature, mixed of principles inferred from immediate observation, and others deduced from such principles, by reasoning from ideas or definitions, may be called mixed moral philosophy, or mixed metaphysics; for demonstrations about moral ideas are commonly called metaphysical. But the word metaphysick having fallen into contempt, instead of calling this treatise mixed principles, or metaphysical principles, I have simply termed it, The principles of moral philosophy. I<23> shall not now enquire into the causes that have brought metaphysical reasonings, the name at least, into disrepute: but certainly no one will say, that intelligence, will, affections, or in one word, moral powers, and their relations, are not worth enquiring into, or collecting experiments and reasonings about.
The following treatise is therefore made up partly of observations, or experiments, and of reasonings from the very nature of moral powers.
I have only mentioned all this, to shew how moral philosophy ought to go on, and to forewarn my reader, that he is not to expect in this treatise merely a collection of experiments, but a good deal of reasoning from principles known to be true by experience, to effects; and reciprocally from effects known by experience to be true, to their causes or principles. And whatever may be thought of the execution (which I submit to all candid judges, who are ever rather favourably than severely disposed) sure none can look upon the design to be trifling, who understand what moral powers mean. For if any thing is worth man’s attention, it is man himself, that is, his natural powers, end, dignity and happiness.
The chief design of the following enquiry stated.
Having thus dispatched all necessary preliminaries as briefly as I could, the question now to be entered upon is, “Are all the effects and appearances relative to the constitution of our minds, effects of powers, faculties, dispositions and affections, which with all the laws and connexions belonging to them, tend to produce good, order, beauty and perfection in the whole?” As in enquiring about the constitution of a horse, for example, it belongs not properly to such a question, whether that animal be superior or inferior to a lion; but that enquiry presupposes the constitutions and ends of both these animals known; so in the present case, the first question is not, whether there are not in nature more noble beings than man; but whether man deserves his place in nature, as being well adapted to a very good and noble end; to a dignity, a perfection,<24> a happiness, to have fitted and qualified him for which, proves great wisdom and goodness in his Author, the Author of nature.
Where all must full, or not coherent be;
And all that rises, rise in due degree;
Then in the scale of life and sense, ’tis plain,
There must be somewhere such a rank as man;
And all the question (wrangle e’er so long)
Is only this, If God has plac’d him wrong?
Essay on man, Epist. 1.24
I shall now endeavour to go through the more remarkable general laws of our constitution, to which the chief appearances relative to mankind seem to be reducible.
The law of power, or activity.
The first thing to be observed with regard to our make and state, is, “That we have a certain sphere of activity.”
Whatever disputes there are among philosophers about the freedom of our will, it is universally acknowledged, “That man has in several cases a power to do as he wills or pleases. Thus, if he wills to speak, or be silent, to sit down, or stand, ride, or walk; in fine, if his will changes like a weather-cock, he is able to do as he wills or pleases, unless prevented by some restraint or compulsion. He has also the same power in relation to the actions of his mind, as to those of the body. If he wills or pleases, he can think of this, or that subject, stop short, or pursue his thoughts, deliberate, or defer deliberation; resolve, or suspend his deliberations as he pleases,<25> unless prevented by pain, or a fit of an apoplexy, or some such intervening restraint or compulsion. And this, no doubt, is a great perfection for man to be able in relation both to his thoughts and actions, to do as he wills and pleases in all these cases of pleasure and interest. Had he this power or liberty in all things, he would be omnipotent.” And in having this power or liberty to a certain extent, does his superior excellence above the brute creation consist. Were not man so made, he would necessarily be a very low and mean creature in comparison of what he really is; as he is now constituted a free agent; or as he is invested with a certain extent of dominion and efficiency.
Power consists in dependence of effects upon the will.
It is a perfection to have power.
The power or dominion of a Being cannot consist in any thing else, but the dependence of certain effectsa upon its will as to their existence or non-existence. Its sphere of activity, liberty and efficiency is larger or narrower in proportion to the extent of this dependence on its will; for so far as it reaches does ones command or will reach. Now how far human power or activity extends; or, in other words, what are with respect to man the principal τα εϕ ημιν,25 will appear as we advance in this enquiry. Mean time, it is certainly necessary, in order to our dignity and perfection, that we should have a certain dominion and power in nature assigned to us. This, doubtless, is a greater perfection, than