Christianity - An old metaphysical romance, filled with marvels, contradictions, and absurdity, born in the ardent imagination of Orientals, has spread into our Europe. Enthusiasts have purveyed it, careerists have pretended to accept it, imbeciles have believed it.

To your care and recommendation am I indebted for having replaced a half-blind mathematician with a mathematician with both eyes, which will especially please the anatomical members of my Academy.

The greatest and noblest pleasure which we have in this world is to discover new truths, and the next is to shake off old prejudices.

I think it better to keep a profound silence with regard to the Christian fables, which are canonized by their antiquity and the credulity of absurd and insipid people.

A man, who can, in cold blood, hunt and torture a poor, innocent animal, cannot feel much compassion for the distress of his own species.

Neither antiquity nor any other nation has imagined a more atrocious and blasphemous absurdity than that of eating God. This is how Christians treat the autocrat of the universe.

Theologians are all alike, of whatever religion or country they may be; their aim is always to wield despotic authority over men's consciences; they therefore persecute all of us who have the temerity to tell the truth.