"Is it not certain that the Creator yawns in earthquake and thunder and other popular displays, but toils in rounding the delicate spiral of a shell? -Yeats, The Trembling of the Veil"

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There is also a third kind of madness, which is possession by the Muses, enters into a delicate and virgin soul, and there inspiring frenzy, awakens lyric... But he, who, not being inspired and having no touch of madness in his soul, comes to the door and thinks he will get into the temple by the help of art - he, I say, and his poetry are not admitted; the sane man is nowhere at all when he enters into rivalry with the madman.

— Plato