She promised to love him for all 'eternity'. [=to love him forever]
We suffered through an 'eternity' of delays during the lawsuit.
They believed that sinners would spend 'eternity' in hell.
(..) - Blimey. - Holy shh... "To see a world in a grain of sand and a heaven in a wild flower, hold infinity in the palm of your hand and eternity in an hour." William Blake. The All-Seeing Eye. My darling daughter, I knew you would figure this out. If you're reading this letter, (..)2001 Lara Croft: Tomb Raider