John 3:13

No one hath ascended up into heaven, but the one having come down from heaven, the Son of man, who is in heaven.

John 6:38

Because I have come down from heaven, not that I may do my own will, but the will of Him that sent me.

Treasury of Scripture Knowledge

Summary

And I am come down to deliver them out of the hand of the Egyptians, and to bring them up out of that land unto a good land and a large, unto a land flowing with milk and honey; unto the place of the Canaanites, and the Hittites, and the Amorites, and the Perizzites, and the Hivites, and the Jebusites.

Bible References

I am

John 3:13
No one hath ascended up into heaven, but the one having come down from heaven, the Son of man, who is in heaven.
John 6:38
Because I have come down from heaven, not that I may do my own will, but the will of Him that sent me.