"A devout and naïve Christian was admonishing those who questioned the articles of faith. “A true Christian must never examine the things he's told to believe, gentlemen,” he said. “It's like taking a pill: if you chew it, it's so bitter you'll never get it down."

"Minds are in limited supply, and each mind has a limited capacity for memes, and hence there is considerable competition among memes for entry in as many minds as possible. This competition is the maj…"

"The Sultan is not slack in jihad. He never lets go of his spear or bridle in pursuing jihad by land and sea routes. This is his main occupation which engages his eyes and ears. He has spent vast sums …"

"Any man who stands for progress has to criticize, disbelieve and challenge every item of the old faith. Item by item he has to reason out every nook and corner of the prevailing faith. If after consid…"

"The investigation of the form and brightness of the rings or rays surrounding the image of a star as seen in a good telescope, when a diaphragm bounded by a rectilinear contour is placed upon the obje…"