Duryodhana said : Bhishma is always neutral; the son of Droua (Ashvathama) is in my side. There is no doubt Drona will also be in that side in which his son will be.
दुर्योधन उवाच मध्यस्थः सततं भीष्मो द्रोणपुत्रो मयि स्थितः। यतः पुत्रस्ततो द्रोणो भविता नात्र संशयः॥