You may now proceed through the gates...
"They do not understand: how that which separates unites with itself. It is a harmony of oppositions, as in the case of the bow and of the lyre. -Heraclitus, Fragment 78
"Enlightenment is the ULTIMATE tolerance of cognitive dissonance." -Robert A.F. Thurman
"The Myth of Logic and the Logic of Myth" -- Iain McGilchrist, author of "The Master and His Emissary: The Divided Brain and the Making of the Western World" Fast-forward to 27m07s to hear him speak on the "coincidentia oppositorum"!
"Inanna-Ishtar as Paradox and a Coincidence of Opposites" Rivkah Harris, History of Religions, Vol. 30, No. 3 (Feb., 1991), pp. 261-278 "The Unity of Opposites: A Dialectical Principle" V. J. McGill and W. T. Parry, Science & Society, Vol. 12, No. 4 (Fall, 1948), pp. 418-444 "Heraclitus and the Identity of Opposites" C. J. Emlyn-Jones, Phronesis, Vol. 21, No. 2 (1976), pp. 89-114 "Heraclitean Flux and Unity of Opposites in Plato's 'Theaetetus' and 'Cratylus'" Matthew Colvin, The Classical Quarterly, New Series, Vol. 57, No. 2 (Dec., 2007), pp. 759-769 "Dewey and the Empirical Unity of Opposites" James W. Garrison, Transactions of the Charles S. Peirce Society, Vol. 21, No. 4 (Fall, 1985), pp. 549-561