Isaiah 45:18

Again the Lord affirmed (cf. Isaiah 45:1; Isaiah 45:14) that He created the heavens, and there is no other God beside Him (cf. Exodus 20:1-3; Deuteronomy 6:4). These affirmations indicate that what follows substantiates what has gone before. God is trustworthy, and will not embarrass or humiliate His worshippers, because He is the almighty Creator. Isaiah’s elaboration on this statement stresses that God’s creative activity was for the welfare of His creatures.

Some readers of this verse have understood the statement that "God did not create the earth waste" (Heb. tohu) as clarifying the creation process. When God created the heavens and the earth, did He create them unformed and then form them, or does the waste condition of Genesis 1:2 describe the universe before Creation? I think this verse means that God’s intention in Creation was not to create something permanently without form but to create an environment for His creatures that He suitably formed for their habitation. Thus this verse says nothing about the steps God may have taken in creating the cosmos. It rather explains His purpose in creating the cosmos.