Definition and Overview:
Creation by Command refers to the theological concept that God brought the universe and all its contents into existence through His spoken word. This doctrine is rooted in the biblical narrative, particularly in the book of Genesis, where God's creative acts are depicted as being accomplished through divine fiat—His authoritative command. This concept underscores the power, sovereignty, and intentionality of God in the act of creation.

Biblical Foundation:
The primary scriptural basis for Creation by Command is found in the opening chapter of Genesis. Genesis 1:3 states, "And God said, 'Let there be light,' and there was light." This pattern of divine speech followed by immediate fulfillment is repeated throughout the creation account, illustrating the power of God's word to bring forth reality. Each creative act is introduced with "And God said," followed by the manifestation of His command.

Psalm 33:6, 9 further affirms this concept: "By the word of the LORD the heavens were made, and all the stars by the breath of His mouth... For He spoke, and it came to be; He commanded, and it stood firm." These verses highlight the belief that God's word is not only powerful but also effectual, accomplishing what it declares.

Theological Implications:
1. Divine Sovereignty: Creation by Command emphasizes God's absolute authority over all creation. As the Creator, God is not subject to any external forces or pre-existing materials. His word alone is sufficient to bring about the entirety of the cosmos.

2. Omnipotence: The doctrine underscores God's omnipotence, as He creates ex nihilo (out of nothing) by merely speaking. This power is unique to God, distinguishing Him from all other beings and affirming His supreme nature.

3. Order and Purpose: The orderly sequence of creation as described in Genesis reflects God's intentional design and purpose. Each command results in a specific aspect of creation, culminating in the creation of humanity, made in God's image (Genesis 1:26-27).

4. Reliability of God's Word: The effectiveness of God's spoken word in creation serves as a foundation for the reliability and trustworthiness of His promises throughout Scripture. Just as His creative commands were fulfilled, so too are His promises to His people.

New Testament Affirmation:
The New Testament reaffirms the concept of Creation by Command, particularly in the writings of the Apostle John and the Apostle Paul. John 1:1-3 declares, "In the beginning was the Word, and the Word was with God, and the Word was God. He was with God in the beginning. Through Him all things were made, and without Him nothing was made that has been made." This passage identifies Jesus Christ, the Word, as the agent of creation, linking the power of God's spoken word with the person of Christ.

Colossians 1:16 also supports this view: "For in Him all things were created, things in heaven and on earth, visible and invisible, whether thrones or dominions or rulers or authorities. All things were created through Him and for Him." This verse emphasizes the centrality of Christ in the creative process and His preeminence over all creation.

Historical and Doctrinal Context:
Throughout church history, the doctrine of Creation by Command has been upheld by orthodox Christianity as a fundamental tenet of faith. It has been articulated in various creeds and confessions, such as the Nicene Creed, which affirms belief in "one God, the Father Almighty, Maker of heaven and earth, and of all things visible and invisible."

The doctrine has also been a point of contention in debates over the nature of creation, particularly in discussions regarding the interpretation of the Genesis account and the relationship between science and faith. Nevertheless, Creation by Command remains a cornerstone of Christian theology, affirming the power and authority of God as the Creator of all things.