This is a frequently asked question and in a way a mystery but there is a simple answer…because He is God and He can. As such, He is the Creator of all and has existed forever.
In the Bible God is referred to as, I Am. But, a more explanatory answer is that He is a ‘transcendent’ God meaning He is in a separate world of dimensions well beyond ours and is not limited to time and space as we humans are. With God in eternity there is no time. He ‘spoke’ our universe into existence through the power of His Word and both time and space were created. We are unable in our limited dimensions to comprehend this fact. We also cannot understand time. It just is! It is there to mark the days and years and the seasons of life. But, He did give us practical, positive and understandable evidence of His existence and presence and creative power. A few examples are:
- 1. Nature: The greatness, grandeur and magnificence of all on this earth, and the laws that govern the sciences.
- 2.Life: The concept of all life and how it all fits together for it’s reproduction and existence. We know that humans are made in the image of God. (Genesis 1:27)
- 3. The Bible: We know it is God’s inspired Word because only He sees all of human history as if it’s already happened. That’s how there can be hundreds prophecies of future events that are 100% certain like the first and second coming of Jesus…. God’s omniscience and power on display.
- 4. Divine Intervention: God heals diseases, answers prayers, influences our decisions and most importantly transforms lives. Examples of these are endless. Think about John Newton, author of Amazing Grace, transformed from slave trader to preacher and hymn writer.
In summary, God created the universe out of nothing because He wanted to demonstrate His love for all who desire a personal relationship with Him in this life and for all eternity in a new dimension, heaven. That relationship and salvation is possible for all those who trust in Jesus as Savior and Lord. (Romans 10:9&10)