Creation ex Nihilo
ἐξ οὐκ ὄντων — ex ouk ontōn · ex ook ON-tone
In brief
The Church teaches that God created everything that exists out of nothing — ex nihilo in the Latin phrase — not from pre-existing matter, and not out of His own substance, but freely, by His word alone. Creation is therefore neither eternal, nor divine, nor an accident: it is a gift. And because God made it, it is good — matter included.
Out of nothing
"In the beginning God created the heaven and the earth" (Genesis 1:1). The ancient world found this claim strange. Greek philosophy generally assumed that matter was eternal — a craftsman god might shape it, as a potter shapes clay, but no one makes the clay itself. Other systems taught that the world flowed out of the divine substance, an overflow of God. The Church rejected both: God did not rearrange what already existed, and the world is not made of God. He called it into being from sheer nothing — in the Greek phrase the Fathers used, ex ouk ontōn, "out of things that are not."
The conviction is biblical before it is philosophical. "By the word of the LORD were the heavens made" (Psalm 33:6); "he spake, and it was done" (Psalm 33:9); "things which are seen were not made of things which do appear" (Hebrews 11:3). In the Greek Old Testament, the mother of the seven Maccabean martyrs urges her son toward courage by pointing at the sky: consider, she says, that God did not make heaven and earth from things that already existed (2 Maccabees 7:28). And early Christian catechesis made it the first article of faith — "First of all, believe that there is one God who created and finished all things, and made all things out of nothing," says the second-century Shepherd of Hermas.
Freely, and out of love
Why did God create? Not from need. The Holy Trinity is already a perfect communion of love; God was not lonely, and creation adds nothing to Him. The Fathers insist that creation is an act of pure freedom and pure generosity — the overflow not of God's substance but of His goodness. That anything exists at all is therefore the first grace. Nothing had a claim on existence; everything that is, is loved into being — as the Church reads in the Wisdom of Solomon, God loves all things that are, and abhors nothing that He has made.
And what He made is good. "And God saw every thing that he had made, and, behold, it was very good" (Genesis 1:31). That verdict covers matter — rock, water, flesh — and it is why the Church has always resisted teachings like gnosticism that call the material world evil or beneath God. Orthodoxy blesses water, bread, oil, and wax; it paints icons; and it confesses that God Himself took flesh (the Incarnation). None of that would be thinkable if matter were the enemy. Evil, in Orthodox teaching, is not a rival substance God made but a parasite on the good — a corruption of it (the problem of evil).
A world held in being
Creation from nothing also means the world is not a wound-up clock. Creatures did not receive existence once and then own it; the world is held in being at every moment by the word and energies of God, ordered from within by His purposes — what St. Maximus the Confessor called the logoi of things. If God forgot the world for an instant, there would be no world. (The dogma concerns that God freely creates and sustains all things, and why; the Church has not dogmatized a mechanism or timetable — which is where the conversation about science and evolution belongs.)
Finally, the absolute line between Creator and creature explains both Orthodox humility and Orthodox boldness. Humility: we are creatures from nothing, and apart from God we tend back toward nothing. Boldness: because union with God is not something any creature possesses by nature, theosis is pure gift — and it is offered. Humanity's vocation is to receive the world with thanksgiving and offer it back to its Maker (man as priest of creation), until God transfigures what He has made into a new heaven and a new earth.