Principle and its idea is one, and this one is God, omnipotent, omniscient, and omnipresent Being, and His reflection is man and the universe. Omni is adopted from the Latin adjective signifying all. Hence God combines all-power or potency, all-science or true knowledge, all-presence.

 

Mary Baker Eddy, Science and Health With Key to the Scriptures, p.465-6