He said he'd heard the sound of one hand clapping. He said, once his mind took...

He said he'd heard the sound of one hand clapping. He said, once his mind took in the wondrous no-sound of holy oneness, the empty echo of eternal bliss, he was never the same. He could hear it still, he said, resounding in the ether and tickling the back of his brain.
Something not normal was going on with his brain. No argument there.