perfectly, and to judge of them with full certainty; it is proper and even necessary for us to be invested with a power of suspending our judgment; to the end that, not being necessarily determined to acquiesce in the first impression, we should be still at liberty to carry on our inquiry, till we arrive to a higher degree of certainty, and if possible, as far as evidence itself. Were not this the case, we should be exposed every moment to error, without any possibility of being undeceived. It was therefore extremely useful and necessary to man, that under such circumstances he should have the use and exercise of his liberty.
But when we happen to have a clear and distinct view of things and their relations, that is, when evidence strikes us, it would be of no manner of signification to have the use of liberty, in order to suspend our judgment. For certainty being then in its very highest degree, what benefit should we reap by a new examen or inquiry, were it in our power? We have no longer occasion to consult a guide, when we see distinctly the end we are tending to, and the road we are to take. It is therefore an advantage to man to be unable to refuse his assent to evidence.
IX. Let us reason pretty near in the same manner on the use of liberty with respect to good and evil. Man designed for happiness, should certainly have been formed in such a manner, as to find himself under an absolute necessity of desiring and pursuing good, and of shunning on the contrary evil in general. Were the nature of these faculties such, as to <23> leave him in a state of indifference, so as to be at liberty in this respect to suspend or alter his desires, plain it is, that this would be esteemed a very great imperfection in him; an imperfection that would imply a want of wisdom in the author of his being, as a thing directly opposite to the end he proposed in giving him life.
No less an inconveniency would it be on the other hand, were the necessity which man is under of pursuing good and avoiding evil to be such as would insuperably determine him to act or not to act, in consequence of the impressions made on him by each object. Such is the state of human things, that we are frequently deceived by appearances; it is very rare that good or evil presents itself to us pure and without mixture; but there is almost always a favourable and adverse side, an inconveniency mixt with utility. In order to act therefore with safety, and not to be mistaken in our account, it is generally incumbent upon us to suspend our first motions, to examine more closely into things, to make distinctions, calculations, and compensations; all which require the use of liberty. Liberty is therefore, as it were, a subsidiary faculty, which supplies the deficiencies of the other powers, and whose office ceaseth as soon as it has redressed them.
Hence let us conclude, that man is provided with all the necessary means for attaining to the end for which he is designed; and that in this, as in every other respect, the Creator has acted with wonderful wisdom.
The proof of liberty drawn from our inward sense, is superior to any other.
X. After what has been said concerning the nature, operations, and use of liberty, it may seem perhaps <24> unnecessary to attempt here to prove that man is indeed a free agent, and that we are as really invested with this as with any other faculty.
Nevertheless, as it is an essential principle, and one of the fundamental supports of our edifice, it is proper to make the reader sensible of the indubitable proof with which we are furnished by daily experience. Let us therefore consult only ourselves. Every one finds that he is master, for instance, to walk or sit, to speak or hold his tongue. Do not we also experience continually, that it depends intirely on ourselves to suspend our judgment, in order to proceed to a new inquiry? Can any one seriously deny, that in the choice of good and evil our resolutions are unconstrained; that, notwithstanding the first impression, we have it in our power to stop of a sudden, to weigh the arguments on both sides, and to do, in short, whatever can be expected from the freest agent? Were I invincibly drawn towards one particular good rather than another, I should feel then the same impression as that which inclines me to good in general, that is, an impression that would necessarily drag me along, an impression which there would be no possibility of resisting. Now experience makes me feel no such violence with respect to any particular good. I find I can abstain from it; I can defer using it; I can prefer something else to it; I can hesitate in my choice; in short, I am my own master to chuse, or, which is the same thing, I am free.
Should we be asked, how comes it, that not being free in respect to good in general, yet we are at liberty with regard to particular goods? My answer is, that the natural desire of happiness does not in-<25>superably draw us towards any particular good, because no particular good includes that happiness for which we have a necessary inclination.
Sensible proofs, like these, are superior to all objection, and productive of the most inward conviction, by reason it is impossible, that when the soul is modified after a certain manner, it should not feel this modification, and the state which consequently attends it. What other certainty have we of our existence? And how is it we know that we think, we act, but by our inward sense?7
This sense of liberty is so much the less equivocal, as it is not momentary or transient: It is a sense that never leaves us, and of which we have a daily and continual experience.
Thus we see there is nothing better established in life, than the strong persuasion which all mankind have of liberty. Let us consider the system of humanity, either in general or particular, we shall find that the whole is built upon this principle. Reflexions, deliberations, researches, actions, judgments; all suppose the use of liberty. Hence the ideas of good and evil, of vice and virtue: hence, as a natural consequence, arises praise or blame, the censure or approbation of our own, or other people’s conduct. The same may be said of the affections and natural sentiments of men towards one another, as friendship, benevolence, gratitude, hatred, anger, complaints, and reproaches: none of these sentiments could take place, unless we were to admit of liberty. In fine, as this prerogative is in some measure the key of the human system, he that does not allow it to man, subverts all order, and introduces a general confusion.<26>
How comes it that liberty has been contested.
XI. It is natural here to inquire, how it was ever possible for any body seriously to doubt, whether man is master of his actions, whether he is free? I should be less surprized at this doubt, were it concerning a strange or remote fact, a fact that was not transacted within ourselves. But the question is in regard to a thing, of which we have an internal immediate feeling, a constant and daily experience. Strange, that any one should call in question a faculty of the soul! May not we as well doubt of the understanding and will, as of the liberty of man? For if we are content to abide by our inward sense,8 there is no more room to dispute of one than of the other. But some too subtle philosophers, by considering this subject in a metaphysical light, have stript it, as it were, of its nature; and finding themselves at a loss to solve a few difficulties, they have given a greater attention to these difficulties than to the positive proofs of the thing; which insensibly led them to imagine that the notion of liberty was all an illusion. I own it is necessary, in the research of truth, to consider an object on every side, and to balance equally the arguments for and against; nevertheless we must take care we do not give to those objections more than their real weight. We are informed by experience, that in several things which in respect to us are invested with the highest degree of certainty, there are many difficulties notwithstanding, which we are incapable of resolving to our satisfaction: and this is a natural consequence of the limits of the mind. Let us conclude therefore from hence, that when a truth is sufficiently evinced by solid reasons, whatever can be objected against it, ought not to <27> stagger or weaken our conviction, as long as they are such difficulties only as embarrass or puzzle the mind, without invalidating the proofs themselves. This rule is so very useful in the study of the sciences, that one should keep it always in sight.* Let us resume now the thread of our reflexions.
Actions are voluntary, and involuntary; free, necessary, and constrained.
XII. The denomination of voluntary or human actions in general is given to all those that depend on the will; and that of free, to such as come within the jurisdiction of liberty, which the soul can suspend or turn as it pleases. The opposite of voluntary is involuntary; and the contrary of free is necessary, or whatever is done by force or constraint. All human actions are voluntary, inasmuch as there are none but what proceed from ourselves, and of which we are the