A heavenly encounter carries a weight that easily overwhelms the human mind, especially when it holds secrets about the distant future. As the angel Gabriel approaches the exact spot where Daniel stands, his purpose is to impart prophetic insight and deep understanding [יוסף אבן יחיא]. However, the sheer force of this angelic presence triggers a severe reaction. Overcome by deep terror and dread [מצודת ציון], Daniel collapses to the ground [מצודת דוד, ביאור שטיינזלץ]. This collapse is a natural result of the human intellect's fragility when confronted with a heavenly vision, a physical response shared by other prophets [יוסף אבן יחיא].
To ground him, the angel addresses Daniel as a "son of man." This title deliberately highlights Daniel's mortal, human nature as he stands amidst a prophetic encounter with holy angels, echoing the way the prophet Ezekiel was also addressed [אבן עזרא]. The angel then demands that Daniel focus his heart and soul to truly grasp the meaning of the vision [אבן עזרא, מצודת דוד].
This intense concentration is necessary because the prophecy deals with the end of days. The primary approach among commentators is that the vision points to a very distant era, specifically the end of the exile and the conclusion of history. Since these events are so far removed from Daniel's own time, their true meaning naturally remains hidden from him, requiring extraordinary thought and contemplation [מלבי״ם]. Ultimately, it is this specific revelation about the end of time that makes the vision so immensely valuable and significant [יוסף אבן יחיא].