John 3:13

John 1:18 NIV
No one has ever seen God, but the one and only Son, who is himself God and is in closest relationship with the Father, has made him known.

John 6:38 NIV
For I have come down from heaven not to do my will but to do the will of him who sent me.

Proverbs 30:4 NIV
Who has gone up to heaven and come down? Whose hands have gathered up the wind? Who has wrapped up the waters in a cloak? Who has established all the ends of the earth? What is his name, and what is the name of his son? Surely you know!

Romans 10:6 NIV
But the righteousness that is by faith says: “Do not say in your heart, ‘Who will ascend into heaven?’” (that is, to bring Christ down)