Jonathan Haidt > Quotes > Quote > Jessica liked it

“The emotion of disgust evolved initially to optimize responses to the omnivore's dilemma. Individuals who had a properly calibrated sense of disgust were able to consume more calories than their overly disgustable cousins while consuming fewer dangerous microbes than their insufficiently disgustable cousins.”
― Jonathan Haidt, The Righteous Mind: Why Good People Are Divided by Politics and Religion