World maybe doesn’t understand how words of God could become a man, moreover that words could save human being. However, that image is very clear for us. The words which come from God by Himself had transferred to be man and for He as Mighty God could save man.
And the Word became flesh, and dwelt among us (and we beheld his glory, glory as of the only begotten from the Father), full of grace and truth (John 1:14)