That is how He said He hands it down. He told the disciples that He would bring all things to their remembrance. That is GOD getting it to us through human minds.
1 Corinthians 2:v.10-11
11 What man knoweth the things of a man, save the SPIRIT of MAN which is in him?
even so the things of God knoweth no MAN, but the Spirit of God.
10 But GOD hath revealed them unto us by His Spirit: for the Spirit searcheth all things, yea, the deep things of GOD.---THE WORD IS GOD---""" For the Word of GOD is quick, and powerful, and sharper than any twoedged Sword, ..."""Hebrews 4:v.12. He was clothed with a vesture dipped in blood: and his name is called The Word of God.Revelation 19:v.13
Matthew 11:v.27
27 All things are delivered unto me of my Father: and no MAN knoweth the Son, but the Father; neither knoweth any MAN the Father, save the Son,
and he TO WHOMSOEVER the Son will reveal Him.
John 17:v.1 to 3
1 These words spake Jesus, and lifted up His eyes to heaven, and said, Father, the hour is come; glorify thy Son, that thy Son also may glorify thee:
2 As thou hast given Him power over all flesh, that He should give eternal life to as many as thou hast given Him.
3 And this is life eternal; they might know thee the only true GOD, and Jesus Christ, whom thou hast sent.