Full Idea
Giordano Bruno maintained that the magical Egyptian religion of the world was not only the most ancient but also the only true religion, which both Judaism and Christianity had obscured and corrupted.
Gist of Idea
Bruno said that ancient Egyptian magic was the true religion
Source
report of Giordano Bruno (works [1590]) by Frances A. Yates - Giordano Bruno and Hermetic Tradition Ch.1
Book Reference
Yates,Frances A.: 'Giordano Bruno and the Hermetic Tradition' [Chicago 1991], p.11
A Reaction
His beliefs were based on the Hermetic writings. No wonder he was burned at the stake. Atheists now lay flowers at his memorial in Rome. The sixteenth century was when the hunt for alternatives to established religion began.