No less mainstream a work than Deus Ex, for example, quotes Voltaire's famous ""if God did not exist, it would be necessary to create him" in one of its endings -- which revolves around granting a friendly (but probably not Friendly) AI control over the world's computer networks.

ROT-13:

Vagrerfgvatyl, va gur raqvat Abeantrfg ersref gb, Uryvbf (na NV) pubbfrf gb hfr W.P. Qragba (gur cebgntbavfg jub fgvyy unf zbfgyl-uhzna cersreraprf) nf vachg sbe n PRI-yvxr cebprff orsber sbbzvat naq znxvat vgfrys (gur zretrq NV naq anab-nhtzragrq uhzna) cuvybfbcure-xvat bs gur jbeyq va beqre gb orggre shysvyy vgf bevtvany checbfr.