“Ideas and not battles mark the forward progress of mankind.”

“Scientology does not teach you. It only reminds you. For the information was yours in the first place.”

“Learning locked in mildewed books is of little use to anyone and therefore of no value unless it can be used.”

“The wise man tests before he talks. The critic but follows the fad of a cynical and apathetic age.”

“Happiness and strength endure only in the absence of hate. To hate alone is the road to disaster. To love is the road to strength. To love in spite of all is the secret of greatness. And may very well be the greatest secret in this universe.”

“You don't get rich writing science fiction. If you want to get rich, you start a religion.”

“A bitter hatred was lifting his lip from his teeth.”