The pitfalls of jealousy can cause deception in two ways; not only can it obscure someone’s vision, as in the expression “blinded by jealousy,” but it also can lead them to deceive others.
“O, sir, content you; I follow him to serve my turn upon him: we cannot all be masters, nor all masters cannot be truly follow’d. You shall mark many a duteous and knee-crooking knave, that, doting on his own obsequious bondage, wears out his time, much like his master’s ass, for nought but provender, and when he’s old, cashier’d: whip me such honest knaves. Others there are who, trimm’d in forms and visages of duty, keep yet their hearts attending on themselves, and throwing but shows of service on their lords, do well thrive by them and when they have…