for ever and ever

• forever and ever

Arising in the King James Bible, an approximate translation from Ancient Greek εἰς τοὺς αἰῶνας τῶν αἰώνων (eis toùs aiônas tôn aiṓnōn, “to the aeons of the aeons”) and Hebrew לעולם ועד‎ (“forever and until”), as well as Latin in saecula saeculorum and per omnia saecula saeculorum (themselves from the Greek).

for ever and ever (not comparable)

1. (biblical, Christian liturgy) eternally; timelessly; with no beginning and no end
2. (as an intensifier) forever.

• In saecula saeculorum on Wikipedia.Wikipedia