1 John 4:8 He who does not love has not known God, because God is love.
John 4:24 God is Spirit, and those who worship Him must worship in spirit and truthfulness.
1 John 1:5 And this is the message which we have heard from Him and announce to you, that God is light and in Him is no darkness at all.
God is a mystery, for sure. But the Bible, the holy word of God reveals to us what God is. There are at least three verses that tell us that God “is”. Essentially God is Love. Most christians and even unbelievers have heard of this. God is also Spirit. Which means he is not a physical being. And last but not least, God is light. This one is little harder to comprehend (The above verses may end up in coming special editions). Light is for life. Without the sun we would all die. He is the real light! God is love, God is light, God is Spirit!