John 1:18

No one has ever seen God; the only son, Deity Himself, who lies upon His Father's breast, has made him known.

John 12:41

Isaiah said this, because he saw His glory; yes, he spoke about Him.

Treasury of Scripture Knowledge

Summary

And when Gideon perceived that he was an angel of the LORD, Gideon said, Alas, O Lord GOD! for because I have seen an angel of the LORD face to face.

Bible References

Because

John 1:18
No one has ever seen God; the only son, Deity Himself, who lies upon His Father's breast, has made him known.
John 12:41
Isaiah said this, because he saw His glory; yes, he spoke about Him.