Matthew 3:16
After Jesus was immersed [by John], He came up out of the water and heaven was opened up before Him and He saw the Holy Spirit from God descending, as a dove, and landing upon Him.
Mark 1:10
And immediately upon emerging from the water, He saw the sky split open and the Holy Spirit descending on Him as a dove.
Acts 7:56
He said, "Look, I see heaven opened up and the Son of man standing at the right side of God."
Luke 3:21-22
Now it happened when all the people had been immersed [by John], that Jesus was also immersed [by him]. And while Jesus was praying, heaven was opened
John 1:31-34
And I would not have recognized Him, but I came immersing people in water so that He would become known to the Israelites."
John 3:34
For the One whom God has sent [i.e., Jesus] speaks the words of God, for He [i.e., God] does not give the Holy Spirit in a limited quantity [i.e., to Jesus. See next verse].
Colossians 1:18-19
And He is the head of the [spiritual] body, the church. He is [its] source, the firstborn One from the dead [i.e., the first one to return to life, never to die again], so that He could rank first [in importance] over all things.