He did't see it, god isn't real.
You may be referring to the prophet Isaiah. The Biblical reference is Isaiah 6.
God spoke to Isaiah through dreams. He had a voice, but no aspect.
God, my SaviourSalvation Of God
The biblical prophet Isaiah did not break the covenant with God. He faithfully served God and delivered messages of warning and comfort to the Israelites, urging them to repent and return to God. Isaiah is known for his prophecies about the coming Messiah and the restoration of Israel.
There is no mention in the Bible of the Prophet Isaiah ever disobeying God. The book of Isaiah is one of two books in the Bible that speaks directly of the wrath of the Lord.
veses in isaiah book of Times of Judges
The Romans were told and showed that he was the son of God, but chose not to believe it. Also, this was apart of God's plan. Throughout the first testament God slowly reveals his plan. Isaiah 7:14, Isaiah 8:6-8, Isaiah 11:10-12, Isaiah 16:5, Isaiah 53:3-6, and Isaiah 53:11.
When Hezekiah was sick, Isaiah told him he would get well, and Hezekiah asked for a sign. Isaiah asked God to make the sun go backwards ten steps.
Isaiah is Yeshayahu (ישעיהו), which means "God is help".
First when god called Isaiah , he refused but later said he would go to do the work.
Isaiah 40:8 [NKJV] The grass withers, the flower fades, But the word of our God stands forever."
God was isaiah's instructor and isiah was his listener and messenger