Our heavenly Father put on a human body and dwelt among His creation. This human body that the Father dwelt in is called the Son of God. The Father came and dwelt among us in His name Jesus, which is above every name.

"That at the name of Jesus every knee should bow, of things in heaven, and things in earth, and things under the earth;" - Philippians 2:10

Philip did not realize that Jesus is the Father revealed in flesh.

"Jesus saith unto him, Have I been so long time with you, and yet hast thou not known me, Philip? he that hath seen me hath seen the Father; and how sayest thou then, Shew us the Father?" - John 14:9

Because Jesus came to give His life for us, He let His disciples know that He would no longer be with them in the flesh, but would not leave them comfortless – He would come to them in Spirit. (John 14:18). Jesus would die, be buried, on the third day rise again, then after forty days would ascend to heaven. (1 Corinthians 15:3-7, Acts 1:2-3). About a week later, Jesus – our Heavenly Father – would then come to His disciples in Spirit, filling them with His Holy Ghost. (Act 1:4-5, Acts 2:4).

"Even the Spirit of truth; whom the world cannot receive, because it seeth him not, neither knoweth him: but ye know him; for he dwelleth with you, and shall be in you. I will not leave you comfortless: I will come to you." - John 14:17-18 KJV

Jesus – our Heavenly Father robed in flesh – came in Spirit to His disciples on the Day of Pentecost. He came filling them with His Holy Ghost. (Ephesians 4:6).

"And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance." - Acts 2:4

The Spirit of God is called many things - the Holy Spirit, the Holy Ghost, the Spirit of Christ, Comforter, Spirit of Truth, Spirit of your Father, the Spirit. God is a Spirit. (John 4:24). He is our Father. His name is Jesus. (John 5:43). He is One. (Deuteronomy 6:4, 2 Corinthians 5:19).

When we are filled with the Holy Ghost, our Heavenly Father is in us.

"For it is not ye that speak, but the Spirit of your Father which speaketh in you." - Matthew 10:20

When we are filled with His Spirit, and baptized in His name Jesus, we become the body of Christ. (1 Corinthians 12:27). The Bible then calls us the sons of God. (John 1:12-13, Romans 8:14, Philippians 2:15, 1 John 3:1-2).

"There is one body, and one Spirit, even as ye are called in one hope of your calling; One Lord, one faith, one baptism, One God and Father of all, who is above all, and through all, and in you all." - Ephesians 4:4-6