Epiphany (feeling)
As a feeling, an epiphany is a sudden realisation or comprehension of the essence or meaning of something. The term is used in either a philosophical or literal sense to signify that the claimant has "found the last piece of the puzzle and now sees the whole picture," or has new information or experience, often insignificant by itself, that illuminates a deeper or numinous foundational frame of reference.
The word's secular usage may owe some of its popularity to James Joyce, who expounded on its meaning in the fragment Stephen Hero and the novel Portrait of the Artist as a Young Man (1916). Referring to those times in his life when something became manifest, a deep realisation, he would then attempt to write this epiphanic realisation in a fragment. Joyce also used epiphany as a literary device within each short story of his collection Dubliners (1916) as his protagonists came to sudden recognitions that changed their view of themselves or their social condition and often sparking a reversal or change of heart.
For the philosopher Emmanuel Lévinas epiphany or a manifestation of the divine is seen in another's face, see face-to-face
To this day in traditional and pre-modern cultures, initiation rites and mystery religions have served as vehicles of epiphany, as well as the arts. The Greek dramatists and poets, would, in the ideal, induct the audience into states of catharsis or kenosis, respectively. In modern times the Dadaist Marcel Duchamp and the Pop Artist Andy Warhol would invert expectations by presenting commonplace objects or graphics as works of fine art, simply by presenting them in a way no one had thought to do before.
Epiphanies have also made possible forward leaps in technology and the sciences. Famous epiphanies include Archimedes' realisation of how to estimate the volume of a given mass, which inspired him to shout "Eureka!" ("I have found it!") The biographies of many mathematicians include an epiphanic episode early in the career, the ramifications of which were worked out in detail over the following years: Albert Einstein's example is familiar. Such a flash of holistic understanding in a prepared mind, was Charles Darwin's "hunch" during The Voyage of the Beagle.
Among hackers in the proper sense of the word, the word "zen" is used as a verb in the same sense as epiphany, to mean acquiring a sudden comprehension. Zen is similar to grokking, but not done over time. The Zen term kensho would more accurately describe this moment, referring as kensho does, to the feeling attendant on realizing, for example, the answer to the question set by a koan.
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