Jealousy is no more than feeling alone against smiling enemies.
The jealous are troublesome to others, but a torment to themselves.
It is not love that is blind, but jealousy.
A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.
Jealousy in romance is like salt in food. A little can enhance the savor, but too much can spoil the pleasure and, under certain circumstances, can be life-threatening.
Jealousy is both reasonable and belongs to reasonable men, while envy is base and belongs to the base, for the one makes himself get good things by jealousy, while the other does not allow his neighbour to have them through envy.
Jealousy, that dragon which slays love under the pretence of keeping it alive.
Jealousy is all the fun you think they had.
Love looks through a telescope; envy, through a microscope.
Anger and jealousy can no more bear to lose sight of their objects than love.
Love is that condition in which the happiness of another person is essential to your own... Jealousy is a disease, love is a healthy condition. The immature mind often mistakes one for the other, or assumes that the greater the love, the greater the jealousy.
Jealousy is the fear or apprehension of superiority: envy our uneasiness under it.
Never waste jealousy on a real man: it is the imaginary man that supplants us all in the long run.
Then you will be the one others envy, and you can remember the pain and reach out to them.
Envy is a littleness of soul, which cannot see beyond a certain point, and if it does not occupy the whole space feels itself excluded.
Never underestimate the power of jealousy and the power of envy to destroy. Never underestimate that.
To jealousy, nothing is more frightful than laughter.
The jealous are possessed by a mad devil and a dull spirit at the same time.
Jealousy is never satisfied with anything short of an omniscience that would detect the subtlest fold of the heart.
O, beware, my lord, of jealousy; It is the green-ey'd monster, which doth mock The meat it feeds on.