Vaishampayana said : Being desirous of giving his grand sons a superior education, Bhishma was in search of a preceptor, who was endued with energy and who was well-skilled in the science of arms. O best of the Bharata race, deciding that none who was not possessed of great intelligence, who was not illustrious, who was not a perfect master of the science of arms, who was not as powerful as the celestial, shall be the preceptor of the Kurus, the son of Ganga (Bhishma), placed the Pandavas and the Kurus under the tuition of the son of Bharadvaja, the wise Drona, learned in all the Vedas. Having been honoured according to the proper form by the illustrious Bhishma.