How is it that we have succeeded in persuading reasonable beings that the thing most impossible to understand was the most essential for them. It is because they were greatly frightened; it is because when men are kept in fear they cease to reason; it is because they have been expressly enjoined to distrust their reason. When the brain is troubled, we believe everything and examine nothing. X.--ORIGIN OF ALL RELIGION. Ignorance and fear are the two pivots of all religion. The uncertainty attending man's relation to his God is precisely the motive which attaches him to his religion. Man is afraid when in darkness--physical or moral. His fear is habitual to him and becomes a necessity; he would believe that he lacked something if he had nothing to fear. XI.--IN THE NAME OF RELIGION CHARLATANS TAKE ADVANTAGE OF THE WEAKNESS OF MEN. He who from his childhood has had a habit of trembling every time he heard certain words, needs these words, and needs to tremble. In this way he is more disposed to listen to the one who encourages his fears than to the one who would dispel his fears. The superstitious man wants to be afraid; his imagination demands it. It seems that he fears nothing more than having no object to fear. Men are imaginary patients, whom interested charlatans take care to encourage in their weakness, in order to have a market for their remedies. Physicians who order a great number of remedies are more listened to than those who recommend a good regimen, and who leave nature to act. XII.--RELIGION ENTICES IGNORANCE BY THE AID OF THE MARVELOUS. If religion was clear, it would have fewer attractions for the ignorant. They need obscurity, mysteries, fables, miracles, incredible things, which keep their brains perpetually at work. Romances, idle stories, tales of ghosts and witches, have more charms for the vulgar than true narrations. XIII.--CONTINUATION. In the matter of religion, men are but overgrown children. The more absurd a religion is, and the fuller of marvels, the more power it exerts; the devotee thinks himself obliged to place no limits to his credulity; the more inconceivable things are, the more divine they appear to him; the more incredible they are, the more merit he gives himself for believing them. XIV.--THERE WOULD NEVER HAVE BEEN ANY RELIGION IF THERE HAD NEVER BEEN ANY DARK AND BARBAROUS AGES. The origin of religious opinions dates, as a general thing, from the time when savage nations were yet in a state of infancy. It was to coarse, ignorant, and stupid men that the founders of religion addressed themselves in all ages, in order to present them with Gods, ceremonies, histories of fabulous Divinities, marvelous and terrible fables. These chimeras, adopted without examination by the fathers, have been transmitted with more or less changes to their polished children, who often do not reason more than their fathers. XV.--ALL RELIGION WAS BORN OF THE DESIRE TO DOMINATE.