An Upside to Envy, and a New Reason for That Commandment – The New York Times

https://www.nytimes.com/2011/10/11/science/11tierney.html

Traditionally, envy is linked with the eyes,” Dr. Smith said, noting that the word comes from the Latin “invidere,” which mean to look at with malice, or cast an “evil eye.” Just as an invidious comparison is by definition bad, so is envy defined by some psychological researchers to be inherently malign.

ADVERTISEMENT