Religion is not a popular error; it is a great instinctive truth, sensed by the people, expressed by the people.

Good humor is a philosophic state of mind; it seems to say to nature that we take her no more seriously than she takes us.

Jesus was the greatest religious genius that ever lived.

Human cruelty took the form of a pact with the deity. A solemn oath was made to kill everything, in which people forbade themselves any display of reason or compassion. A city or a land was devoted to destruction and it was believed an insult to God if one did not observe the abominable oath.

To conceive the good, in fact, is not sufficient; it must be made to succeed among men. To accomplish this less pure paths must be followed.

To be able to think freely, a man must be certain that no consequence will follow whatever he writes.

Muslims are the first victims of Islam. Many times I have observed in my travels in the Orient that fanaticism comes from a small number of dangerous men who maintain the others in the practice of religion by terror. To liberate the Muslim from his religion is the best service one can render him.