Intelligence is like pornography. I can't define it, but I…

Trust is difficult to define, but we know when it's present and when it's not.

— Warren G. Bennis

[Jazz singing] is like pornography. You can't say what it is, but you know it when you see it.

— Kurt Elling

I have to admit to you, I am the person who's done probably the least analysis on the selfie, because it's a bit like…

— Charlotte Cotton

Perhaps violence, like pornography, is some kind of an evolutionary standby system, a last-resort device for throwing a wild joker into the game?

— J. G. Ballard

Things like pornography perpetuates this idea that women are just there as objects of male desire and are not complex people with their own…

— Marielle Heller

“The truth is a strange thing. Like pornography, you know it when you see it.”

— Tayari Jones

I don't like to degrade women, but I like pornography.

— Lupe Fiasco

“Like pornography, postmodernism is hard to define but easy to spot.”

— Jack Cashill

“Like pornography, junk [food] might be tough to define but you know it when you see it.”

— Mark Bittman

Sentimentality, like pornography, is fragmented emotion; a natural consequence of a high visual gradient in any culture.

— Marshall McLuhan

Meaning is like pornography, you know it when you see it.

— Seth Lloyd

Posting information is like pornography, a slick, impersonal exhibition.

— William Deresiewicz

The intelligent man who is proud of his intelligence is like the condemned man who is proud of his large cell.

— Simone Weil

“Meat is like pornography: before it was someone's fun, it was someone's life.”

— Melinda Vadas

Offended mothers were calling up and saying I shouldn't be doing this, that they weren't going to go see it. OK, don't see it.…

— Daniel Radcliffe