John 3:13

There is no one who has gone up to Heaven, but there is One who has come down from Heaven, namely the Son of Man whose home is in Heaven.

John 6:38

For I have left Heaven and have come down to earth not to seek my own pleasure, but to do the will of Him who 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
There is no one who has gone up to Heaven, but there is One who has come down from Heaven, namely the Son of Man whose home is in Heaven.
John 6:38
For I have left Heaven and have come down to earth not to seek my own pleasure, but to do the will of Him who sent me.