Mbh 1.76.14

“Vaisampayana continued, ‘Receiving the science imparted to him by his preceptor the handsome Kacha, ripped open his stomach, came out like the moon at evening on the fifteenth day of the bright fort-night. And beholding the remains of his preceptor lying like a heap of penances, Kacha revived him, aided by the science he had learned. Worshipping him with regard, Kacha said unto his preceptor, ‘Him who poureth the nectar of knowledge into one’s ears, even as thou hast done into those of myself who was void of knowledge, him do I regard both as my father and mother. And remembering the immense service done by him, who is there so ungrateful as to injure him? They that, having acquired knowledge, injure their preceptor who is always an object of worship, who is the giver of knowledge, who is the most precious of all precious objects on Earth, come to be hated on Earth and finally go to the regions of the sinful.’