The jealous are possessed by a mad devil and a dull spirit at the same time.

The disease of jealously is so malignant that is converts all it takes into its own nourishment.

Love may be blind but jealousy has 20-20 vision.

Jealousy is the jaundice of the soul.

I had rather be a toad, and live upon the vapor of a dungeon than keep a corner in the thing I love for others uses.

Jealousy is never satisfied with anything short of an omniscience that would detect the subtlest fold of the heart.

Jealously is always born with love but it does not die with it.

To jealousy, nothing is more frightful than laughter.

Who surpasses or subdues mankind, must look down on the hate of those below.

Jealousy contains more of self-love than of love.