Aṅguttara Nikāya

2. Book of the Twos

9. Guardians of the World

“Monks, these two bright qualities guard the world. Which two? Conscience & concern. If these two bright qualities did not guard the world, there would be no recognition of ‘mother’ here, no recognition of ‘mother’s sister,’ ‘uncle’s wife,’ ‘teacher’s wife,’ or ‘wife of those who deserve respect.’ The world would be immersed in promiscuity, like rams with goats, roosters with pigs, or dogs with jackals. But because these two bright qualities guard the world, there is recognition of ‘mother,’ ‘mother’s sister,’ ‘uncle’s wife,’ ‘teacher’s wife,’ & ‘wife of those who deserve respect.’”