Jewish texts explain that envy is not just wanting what one doesn't have. It includes these qualities: longing for another's possessions, discontent with one's possessions because one prefers those of another, and the appropriation of the property of another. (See Jewishencyclopedia.com. As Rabbi David Wolpe writes, the Jewish High Holiday literature describes envy as "narrowness of vision," which includes being unable to recognize the success of others. Like the Jewish concept of greed, there are instances when envy can be good, as it can increase people's motivation to do better.