E pluribus unum latin for "out of many, one" and is found on our coins and also seen on the streamer carried by the "american eagle on the "Great Seal" (Front side of Seal) Out of many, one what?

Annuit Coeptis Latin for "It [the eye -the god horus - goat god] has favored our undertakings" and is above the eye on the reverse of the Great Seal.

Novus Ordo Seclorum is Latin for "New Order of the Ages" This motto can be found on the reverse side of the Great Seal below the (masonic) pyramid.

Why didn't they write this in ENGLISH?

Put them together and you have, "out of many, one eye (god horus) (he) has favored our undertakings for a New Order of the Ages."