Jealousy is the tribute mediocrity pays to genius.

Jealousy is no more than feeling alone against smiling enemies.

That's the way I got along in life. I don't ever remember being particularly jealous of anybody, because I figured if I can't do it myself, I don't deserve to get it.

Jealous, adj. Unduly concerned about the preservation of that which can be lost only if not worth keeping.

Jealousy is a dog's bark which attracts thieves.