Narrated Ibn `Umar:

The Prophet (ﷺ) stood at the well of Badr (which contained the corpses of the pagans) and said, "Have you found true what your lord promised you?" Then he further said, "They now hear what I say." This was mentioned before `Aisha and she said, "But the Prophet (ﷺ) said, 'Now they know very well that what I used to tell them was the truth.' Then she recited (the Holy Verse):-- "You cannot make the dead hear... ...till the end of Verse)." (30.52)