Axiom of Maria
Axiom of Maria is a precept in alchemy:  "One becomes two, two becomes three, and out of the third comes the one as the fourth." It is attributed to 3rd century alchemist Maria Prophetissa, also called Mary the Jewess, sister of Moses, or the Copt. A more detailed quote was provided by the seventh-century alchemistic author called Christianos, who cited that what Maria uttered was "One becomes two, two becomes three, and by means of the third and fourth achieves unity; thus two are but one". Marie-Louise von Franz also gave an alternative version, which states:  "Out of the One comes Two, out of Two comes Three, and from the Third comes the One as the Fourth." The axiom served as a recurring theme associated with alchemy for over seventeen centuries.