Primarily, let us take note that  there are two meanings of God's words in the Bible, which are literal and spiritual. In fact, our Lord Jesus Christ spoken, and we can read on the book of John 6:63;

As Christian, we are enlightened that God has existed from the beginning. However, one of the things that we still need to know, where was He before the creation of Heaven and the Earth? Almost all the Pastors of our time, do not even discuss or teach us about it.