Elvish Translations from the Lord of the Rings Swords

On the outside of the ring: ash nazg durbattuluk ash nazg gimbatul  --- One ring to rule them all, one ring to find them.

On the inside of the ring: ash nazg thrakatuluk agh burzum-ishi krimpatul --- One ring to bring them all and in the darkness bind them"

"One ring to rule them all, one ring to find them. One ring to bring them all and in the darkness bind them"