Envy (invidia) is characterized by an insatiable desire like greed and lust. It can be described as a sad or resentful covetousness towards the traits or possessions of someone else. It arises from vainglory and severs a man from his neighbor. Jealousy is often symbolized by a snake. The root of this symbol can lay in the story of Adam and Eve when the snake tricks them into eating the forbidden apple. The snake is also used as a sign of possessiveness, envy, vice, and firmness