Mahabharata 6.41.17

एष भीष्मं तथा द्रोणं गौतमं शल्यमेव चअनुमान्य गुरून्सर्वान्योत्स्यते पार्थिवोऽरिभिः

eṣa bhīṣmaṃ tathā droṇaṃ gautamaṃ śalyameva caanumānya gurūnsarvānyotsyate pārthivo'ribhiḥ

Our plain-language meaning of this verse is waiting for scholar review.