He that is not jealous is not in love. (St. Augustine)

In jealousy there is more of self-love than love. (François de la Rochefoucauld)

Transform jealousy to admiration, and what you admire will become part of your life. (Yoko Ono)

To cure jealousy is to see it for what it is, a dissatisfaction with self. ( Joan Didion)

Jealousy is always born with love, but does not always die with it. (François de la Rochefoucauld)

No true love there can be without Its dread penalty–jealousy. ( Lord Lytton)

There is no greater glory than love, nor any greater punishment than jealousy. ( Lope de Vega)

It is not love that is blind, but jealousy. ( Lawrence Durrell )

Jealousy and love are sisters. (Russian Proverb)

Never waste jealousy on a real man: it is the imaginary man that supplants us all in the long run. (William Shakespeare)