Jealousy (n.) is a normal affective state, like grief. Its apparent absence in a person is only a sign of severe repression in the unconscious.
Jealousy (n.) would rather never give another supper-party than fatten the rival her husband keeps praising.
Jealousy (n.) puts itself in the rival's place because the rival has taken one's own place — and one wants hers.
Jealousy (n.) at two or three years old is capable of any intensity: ‘The stork can take him away again!’
Jealousy (n.) murders by clumsiness: the diver's wife, smiling at her lover in the wings, tossed the key so wildly that it never reached the tank — and Teddie was a widow by morning.
Jealousy (n.) so intense he would have to kill every witness: the dreamer who murdered everyone on the train was counting the cost of marrying a faithless girl.
Jealousy (n.) is a passion that eagerly seeks what causes pain — Schleiermacher's joke, which defines the word out of its own syllables.
Jealousy (n.) is the fuel some lovers need: only when they can be jealous does passion peak and the woman acquire her full value.
Jealousy (n.) is the first meaning of "a child is being beaten": the rival is beaten, so father loves only me.
Jealousy (n.) can run both ways: some grieve for and hate each partner in the triangle, as lover and as rival, which makes it fiercer.
Jealousy (n.) is often projected: one's own urge to be unfaithful is pinned on the partner, and conscience acquits the accuser.
Jealousy (n.) is to be expected among brothers and sisters when one is the declared favourite of the dreaded father — see Joseph and his brethren.