Do not tell me, Madam, that your understanding is too weak to sound the depths of theology. Do not tell me, in the language of our priests, that the truths of religion are mysteries that we must adopt without comprehending them, and that it is necessary to adore in silence. By expressing themselves in this manner, do you not see they really proscribe and condemn the very religion to which they are so solicitous you should adhere? Whatever is supernatural is unsuited to man, and whatever is beyond his comprehension ought not to occupy his attention. To adore what we are not able to know, is to adore nothing. To believe in what we cannot conceive, is to believe in nothing. To admit without examination every thing we are directed to admit, is to be basely and stupidly credulous. To say that religion is above reason, is to recognize the fact that it was not made for reasonable beings; it is to avow that those who teach it have no more ability to fathom its depths than ourselves; it is to confess that our reverend doctors do not themselves understand the marvels with which they daily entertain us.
If the truths of religion were, as they assure us, necessary to all men, they would be clear and intelligible to all men. If the dogmas which this religion teaches were as important as it is asserted, they would not only be within the comprehension of the doctors who preach them, but of all those who hear their lessons. Is it not strange that the very persons whose profession it is to furnish themselves with religions knowledge, in order to impart it to others, should recognize their own dogmas as beyond their own understanding, and that they should obstinately inculcate to the people what they acknowledge they do not comprehend themselves? Should we have much confidence in a physician, who, after confessing that he was utterly ignorant of his art, should nevertheless boast of the excellence of his remedies? This, however, is the constant practice of our spiritual quacks. By a strange fatality, the most sensible people consent to be the dupes of these empirics who are perpetually obliged to avow their own profound ignorance.
But if the mysteries of religion are incomprehensible for even those who inculcate it—if among those who profess it there is no one who knows precisely what he believes, or who can give an account of either his conduct or belief—this is not so in regard to the difficulties with which we oppose this religion. These objections are simple, within the comprehension of all persons of ordinary ability, and capable of convincing every man who, renouncing the prejudices of his infancy, will deign to consult the good sense that nature has bestowed upon all beings of the human race.
For a long period of time, subtle theologians have, without relaxation, been occupied in warding off the attacks of the incredulous, and in repairing the breaches made in the ruinous edifice of religion by adversaries who combated under the flag of reason. In all times there have been people who felt the futility of the titles upon which the priests have arrogated the right of enslaving the understandings of men, and of subjugating and despoiling nations. Notwithstanding all the efforts of the interested and frequently hypocritical men who have taken up the defence of religion, from which they and their confederates alone are profited, these apologists have never been able to vindicate successfully their divine system against the attacks of incredulity. Without cessation they have replied to the objections which have been made, but never have they refuted or annihilated them. Almost in every instance the defenders of Christianity have been sustained by oppressive laws on the part of the government; and it has only been by injuries, by declamations, by punishments and persecutions, that they have replied to the allegations of reason. It is in this manner that they have apparently remained masters of the field of battle which their adversaries could not openly contest. Yet, in spite of the disadvantages of a combat so unequal, and although the partisans of religion were accoutred with every possible weapon, and could show themselves openly, in accordance with law, while their adversaries had no arms but those of reason, and could not appear personally but at the peril of fines, imprisonment, torture, and death, and were restricted from bringing all their arsenal into service, yet they have inflicted profound, immedicable, and incurable wounds upon superstition. Still, if we believe the mercenaries of religion, the excellence of their system makes it absolutely invulnerable to every blow which can be inflicted upon it; and they pretend they have a thousand times in a victorious manner answered the objections which are continually renewed against them. In spite of this great security, we see them excessively alarmed every time a new combatant presents himself, and the latter may well and successfully use the most common objections, and those which have most frequently been urged, since it is evident that up to the present moment the arguments have never been obviated or opposed with satisfactory replies. To convince you, Madam, of what I here advance, you need only compare the most simple and ordinary difficulties which good sense opposes to religion, with the pretended solutions that have been given. You will perceive that the difficulties, evident even to the capacities of a child, have never been removed by divines the most practised in dialectics. You will find in their replies only subtle distinctions, metaphysical subterfuges, unintelligible verbiage, which can never be the language of truth, and which demonstrates the embarrassment, the impotence, and the bad faith of those who are interested by their position in sustaining a desperate cause. In a word, the difficulties which have been urged against religion are clear, and within the comprehension of every one, while the answers which have been given are obscure, entangled, and far from satisfactory, even to persons most versed in such jargon, and plainly indicating that the authors of these replies do not themselves understand what they say.
If you consult the clergy, they will not fail to set forth the antiquity of their doctrine, which has always maintained itself, notwithstanding the continual attacks of the Heretics, the Mecreans, and the Impious generally, and also in spite of the persecutions of the Pagans. You have, Madam, too much good sense not to perceive at once that the antiquity of an opinion proves nothing in its favor. If antiquity was a proof of truth, Christianity must yield to Judaism, and that in its turn to the religion of the Egyptians and Chaldeans, or, in other words, to the idolatry which was greatly anterior to Moses. For thousands of years it was universally believed that the sun revolved round the earth, which remained immovable; and yet it is not the less true that the sun is fixed, and the earth moves around that. Besides, it is evident that the Christianity of to-day is not what it formerly was. The continual attacks that this religion has suffered from heretics, commencing with its earliest history, proves that there never could have existed any harmony between the partisans of a pretended divine system, which offended all rules of consistency and logic in its very first principles. Some parts of this celestial system were always denied by devotees who admitted other parts. If infidels have often attacked religion without apparent effect, it is because the best reasons become useless against the blindness of a superstition sustained by the public authority, or against the torrent of opinion and custom which sways the minds of most men. With regard to the persecutions which the church suffered on the part of the pagans, he is but slightly acquainted with the effects of fanaticism and religious obstinacy who does not perceive that tyranny is calculated to excite and extend what it persecutes most violently.
You are not formed to be the dupe of names and authorities. The defenders of the popular superstition will endeavor to overwhelm you by the multiplied testimony of many illustrious and learned men, who not only admitted the Christian religion, but who were also its most zealous supporters. They will adduce holy divines, great philosophers, powerful reasoners, fathers of the church, and learned interpreters, who have successively advocated the system. I will not contest the understanding of the learned men who are cited, which, however, was often faulty, but will content myself with repeating that frequently the greatest geniuses are not more clear sighted in matters of religion than the people themselves. They did not examine the religious opinions they taught; it may be because they regarded them as sacred, or it may be because they never went back to first principles, which they would have found altogether unsound, if they had considered them without prejudice. It may also have happened because they were interested in defending a cause with which their own position