Your people discover Buddhism! You gain one Monk! Use that monk to convert your opponents and lower their territory! The Shangri-La Accomplishment can now be built!
Seriously, that's all I know of the religion in the Civ series. If there's more, I missed it by not playing single player.
See Ya George.
"He did not die - He passed Away"
At least following a comedians own jokes makes his death easier.