The Demiurge is clearly identified by Plato with divine mind, the reason which creates by persuading necessity. (religion-online.org)
Temporally between the significantly different atomic views of Democritus and Epicurus came Plato, in his mature and late dialogues asserting the «self - activity» of souls or minds, any and all of them, even the supreme or divine mind whose body, Plato says, is the cosmos, including all lesser bodies or minds. (religion-online.org)
As David Griffin states: «If the world is an actual creation, and not simply a complex idea in the divine mind, or simply aspects of modes» of God, then all - powerful can not mean having all the power» (GPE 269 - 70). (religion-online.org)