Daniel stands before the powerful King of Babylon, shifting the focus away from human wisdom and earthly power toward the absolute sovereignty of God. In this dramatic moment, he clarifies the true source of prophetic revelation, explains the failure of the royal advisors, and reveals why the king himself was chosen to receive a glimpse into the distant future.
While the Babylonian wise men spoke of multiple deities, Daniel emphasizes that there is only one God [אבן עזרא]. By declaring that God resides in heaven, Daniel dismisses the power of the earthly idols and celestial bodies worshipped by the Babylonians [אלשיך]. Because God has no connection to the king's advisors, it was entirely impossible for them to access this hidden knowledge. Therefore, they cannot be blamed or punished for their failure to interpret the mystery [מלבי״ם].
God is the ultimate revealer of secrets. The same God who disclosed the mystery to Daniel is now using him to deliver the solution to the monarch [רש״י, מצודת דוד]. Daniel speaks with great respect, appeasing the ruler by stressing that this revelation was granted specifically for the king's sake and by the king's own merit, rather than solely due to Daniel's standing [אלשיך]. Nebuchadnezzar was selected to see what will happen at the end of days because of his status as a universal ruler. Such a position makes him worthy of experiencing a grand and rare vision of the distant future. This stands in sharp contrast to ordinary dreams about the near future, which the Babylonian advisors would have easily been able to interpret [מלבי״ם].
The primary approach among commentators is that the description of the dream and the visions of the head are synonymous concepts. They describe images the king perceived through his mind's imagination while asleep, rather than through physical sight. This was no ordinary dream, but a deeply profound prophetic vision [יוסף אבן יחיא]. Daniel concludes his introductory remarks with a firm assurance. He promises the king that the upcoming description is exactly the dream he had forgotten, confirming that it truly deals with the end of days [אלשיך]. This declaration acts as a natural bridge, moving from Daniel's opening thoughts directly into the detailed recounting of the dream itself [מלבי״ם, ביאור שטיינזלץ].