Mahabharata 12.123.24

गुरवोऽपि परं धर्मं यद्ब्रूयुस्तत्तथा कुरुगुरूणां हि प्रसादाद्धि श्रेयः परमवाप्स्यसि

guravo'pi paraṃ dharmaṃ yadbrūyustattathā kurugurūṇāṃ hi prasādāddhi śreyaḥ paramavāpsyasi

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