Contradiction with John 1:18
States no man has seen God at any time, contradicting Exodus 19:20 where God descends visibly.
John 1:18: No man hath seen God at any time; the only begotten Son, which is in the bosom of the Father, he hath declared [him].
Contradiction with Exodus 33:20
God tells Moses no one can see Him and live, contradicting the direct descent of God in Exodus 19:20.
Exodus 33:20: And he said, Thou canst not see my face: for there shall no man see me, and live.
Contradiction with 1 Timothy 6:16
Describes God as dwelling in unapproachable light whom no man has seen nor can see, conflicting with the account in Exodus 19:20.
1 Timothy 6:16: Who only hath immortality, dwelling in the light which no man can approach unto; whom no man hath seen, nor can see: to whom [be] honour and power everlasting. Amen.
Contradiction with Deuteronomy 4:12
States that the Israelites heard God's voice but saw no form, which contrasts the description of God descending in Exodus 19:20.
Deuteronomy 4:12: And the LORD spake unto you out of the midst of the fire: ye heard the voice of the words, but saw no similitude; only [ye heard] a voice. [only...: Heb. save a voice]
Contradiction with 1 Kings 8:12
God dwells in thick darkness, posing a contrast to the personal descent in Exodus 19:20.
1 Kings 8:12: Then spake Solomon, The LORD said that he would dwell in the thick darkness.