Who said “I am continually fascinated at the difficulty intelligent people have in distinguishing…”?

“When a thing ceases to be a subject of controversy, it ceases to be a subject of interest.”

“When a subject is highly controversial — and any question about sex is that — one cannot hope to tell the truth. One can only show how one came to hold whatever opinion one does hold. One can only give one's audience the chance of drawing their own conclusions as they observe the limitations, the prejudices, the idiosyncrasies of the speaker.”

“The dust of controversy is merely the falsehood flying off.”

“All great ideas are controversial, or have been at one time.”

“Every real thought on every real subject knocks the wind out of somebody or other.”

“It struck me that the movies had spent more than half a century saying, ''They lived happily ever after'' and the following quarter-century warning that they'll be lucky to make it through the weekend. Possibly now we are now entering a third era in which the movies will be sounding a note of cautious optimism: You know it just might work.”

“As far as the men who are running for president are concerned, they aren't even people I would date.”

“What will happen to sex after liberation? Frankly, I don't know. It is a great mystery to all of us.”