Charles Spurgeon Commentary John 1:15-18

"John beareth witness of him, and crieth, saying, This was he of whom I said, He that cometh after me is become before me: for he was before me. For of his fulness we all received, and grace for grace. For the law was given through Moses; grace and truth came through Jesus Christ. No man hath seen God at any time; the only begotten Son, who is in the bosom of the Father, he hath declared [him]." — John 1:15-18 (ASV)

John bare witness of him, and cried, saying, This was he of whom I spake, He that cometh after me is preferred before me: for he was before me. And of his fullness have all we received, and grace for grace. For the law was given by Moses, but grace and truth came by Jesus Christ. No man hath seen God at any time;

He is too high, too spiritual, to be perceived by human senses.