It have been foredoomed, O Partha by the gods that Bhishma shall go to the abode of Death. That must come to pass which has been destined by the gods.
दृष्टमेतत् पुरा देवैर्गमिष्यति यमक्षयम्। यद् दृष्टं हि पुरा पार्थ तत् तथा न तदन्यथा॥