John of Damascus: Exposition of the Orthodox Faith 16Concerning the creation.

Since, then, God, Who is good and more than good, did not find satisfaction in self-contemplation, but in His exceeding goodness wished certain things to come into existence which would enjoy His benefits and share in His goodness, He brought all things out of nothing into being and created them, both what is invisible and what is visible. Yea, even man, who is a compound of the visible and the invisible. And it is by thought that He creates, and thought is the basis of the work, the Word filling it and the Spirit perfecting it.