If God had drawn the world from pre-existent matter, what would be so extraordinary in that? A human artisan makes from a given material whatever he wants, while God shows his power by starting from nothing to make all he wants. 146
Catechism number 300
God is infinitely greater than all his works: "You have set your glory above the heavens."156 Indeed, God's "greatness is unsearchable".157 But because he is the free and sovereign Creator, the first cause of all that exists, God is present to his creatures' inmost being: "In him we live and move and have our being."158 In the words of St. Augustine, God is "higher than my highest and more inward than my innermost self".159
God upholds and sustains creation