Full Idea
The god found everything visible in a state of turmoil, moving in a discordant and chaotic manner, so he led it from chaos to order, which he regarded as in all ways better.
Gist of Idea
The god found chaos, and led it to superior order
Source
Plato (Timaeus [c.362 BCE], 30a)
Book Reference
Plato: 'Timaeus and Critias', ed/tr. Waterfield,Robin [OUP 2008], p.18
A Reaction
This god is usually referred to as the 'demiurge', who creates the ordered nature which is itself a god. I find this view more appealing than the creation of the cosmos ex nihilo, our of nothing.