Shaykh Fawzaan:
"The
meaning of jealously is the hoping in the removal of the blessing from the
one who is envied. When he sees his brother blessed with what Allaah has given
him, then he hopes that this blessing disappears from him for no other reason
except because of his hatred and when he hated him (he therefore) envied him. Jealousy
is an ancient disease, and the first to envy was Satan, (May Allaah’s curse be
upon him) when he envied our father Adam for the virtues that Allah gave
him. He created Adam by His hands, taught him the names of everything, made the
Angels prostrate to him and let him live in His Paradise"