The heart is deceitful above all things, and desperately wicked; Who can know it? Jeremiah 17:9

Jesus answered, “Most assuredly, I say to you, unless one is born of water and the Spirit, he cannot enter the kingdom of God. That which is born of the flesh is flesh, and that which is born of the Spirit is spirit.” John 3:5–6

Do you not know that you are the temple of God and that the Spirit of God dwells in you? 1 Corinthians 3:16

And He is the head of the body, the church, who is the beginning, the firstborn from the dead, that in all things He may have the pre-eminence. For it pleased the Father that in Him all the fullness should dwell, and by Him to reconcile all things to Himself, by Him, whether things on earth or things in heaven, having made peace through the blood of His cross. Colossians 1:18–20