it struck me what quality went to form a Man of Achievement, especially in Literature, and which Shakespeare possessed so enormously - I mean Negative Capability, that is, when a man is capable of being in uncertainties, mysteries, doubts, without any irritable reaching after fact and reason.
John KeatsFeeling well that breathed words Would all be lost, unheard, and vain as swords Against the enchased crocodile, or leaps Of grasshoppers against the sun.
John KeatsFour Seasons fill the measure of the year; There are four seasons in the mind of man: He has his lusty Spring, when fancy clear Takes in all beauty with an easy span: He has his Summer, when luxuriously Spring's honey'd cud of youthful thought he loves To ruminate, and by such dreaming high Is nearest unto heaven: quiet coves His soul has in its Autumn, when his wings He furleth close; contented so to look On mists in idleness—to let fair things Pass by unheeded as a threshold brook. He has his Winter too of pale misfeature, Or else he would forego his mortal nature.
John Keats