Agony unmix'd, _incessant_ gall, Corroding every thought, and blasting all Love's paradise. Anguish of mind is infinitely more intense than mere physical pain, and the more cultivated the mind, the deeper is its capacity for such "agony unmix'd." Mental anguish doth, like a poisonous mineral, gnaw the inwards, and create a condition in which "not poppy, nor mandragora, nor all the drowsy syrups of the world shall ever medicine" the victim to that sleep which he enjoyed before. His heart is turned to stone; he strikes it and it hurts his hand. Trifles light as air are proofs to him that his suspicions are realities, and life is no longer worth living. O now for ever Farewell the tranquil mind! farewell content! Farewell the plumed troop, and the big wars That make ambition virtue! ABNORMAL STATES The assertion that modern jealousy is a noble passion is of course to be taken with reservations. Where it leads to murder or revenge it is a reversion to the barbarous type, and apart from that it is, like all affections of the mind, liable to abnormal and morbid states. Harry Campbell writes in the _Lancet_ (1898) that "the inordinate development of this emotion always betokens a neurotic diathesis, and not infrequently indicates the oncoming of insanity. It is responsible for much useless suffering and not a little actual disease." Dr. O'Neill gives a curious example of the latter, in the same periodical. He was summoned to a young woman who informed him that she wished to be cured of jealousy: "I am jealous of my husband, and if you do not give me something I shall go out of my mind." The husband protested his innocence and declared there was no cause whatever for her accusations: