By waging war against Reason, which they ought to have protected and developed, the ministers of the gods evidently act against their own interest. What power, influence, and respect might they not have gained among the wisest of men, what gratitude would they not have excited in the people, if, instead of wasting their time about their vain disputes, they had applied themselves to really useful science, and investigated the true principles of philosophy, government, and morals! Who would dare to reproach a body with its opulence or influence, if the members dedicating themselves to the public good, employed their leisure in study, and exercised their authority in enlightening the minds both of sovereigns and subjects?

Priests! Forsake your chimeras, your unintelligible dogmas, your contemptible quarrels! Banish those phantoms which could be useful only in the infancy of nations. Assume, at length, the language of reason. Instead of exciting persecution; instead of entertaining the people with silly disputes; instead of preaching useless and fanatical dogmas, preach human and social morality; preach virtues really useful to the world; become the apostles of reason, the defenders of liberty, and the reformers of abuses.