What does Daniel 2:47 mean?

Daniel previously testified to Nebuchadnezzar that "there is a God in heaven who reveals mysteries" (Daniel 2:27–28). The king insisted that he be told the content of his troubling dream (Daniel 2:1–3) as well as the meaning, to be sure such insight was divine (Daniel 2:8–11). This is exactly what Daniel provided (Daniel 2:17–19; 30–45) and Nebuchadnezzar recognized it as supernatural knowledge (Daniel 2:46).

Now, Nebuchadnezzar admits the Lord's wisdom and supremacy. However, this falls short of genuine faith in the Lord of Israel as the One True God. As a Babylonian, Nebuchadnezzar believed in a plurality of gods. Here, he credits Daniel's God as the best, or most powerful, among other deities. This is a crucial moment, but it does not represent Nebuchadnezzar rejecting his idols or fully embracing Daniel's faith.

Nebuchadnezzar also acknowledged that Daniel's God was superior to kings, including himself. He may have also recognized that Daniel's God had given him his position as the king of Babylon. Daniel had told him that God had given him his position and authority (Daniel 2:37–38).