While Manichæism seems to have flourished most in earliest centuries til ~ 14th century, when the churches disappeared -- clearly amongst Fundies everywhere: we inhabit a social-universe of Opposites ->|<- locked in a perpetual death struggle for possession of the Certainty: I AM Right!
cf. a History of Gnosticism
And thanks to the techno of fission/fusion + the recent exponential Rise of Dumbth, there may finally be a Winner:
the cockroach.
(most radiation resistant species know, last I heard.)
Of course too, the oldest religions have always had a koan describing the maya (by-any-Other-name) as the World of Opposites. This one and its inhabitants.
Currently it seems: the Murican Repo exemplifies this futility-in-(in)action, complete with cheerleaders from Wasilla -- all seeking the codes to what The Bagman carries around in that football -- that which shall express once-and-for-All: Their Right-eousness. (Alas, with no audience to applaud The Winner.)
And so it goes..