Melanie Joy book Why We Love Dogs, Eat Pigs, and Wear Cows
The Three Ns have been invoked to justify all exploitative systems … When an ideology is in its prime, these myths rarely come under scrutiny. However, when the system finally collapses, the Three Ns are recognized as ludicrous.
Source: Why We Love Dogs, Eat Pigs, and Wear Cows (2010), pp. 96-97