Mahabharata 2.63.23

2.63.23

taṃ ca śabdaṃ vidurastattvavedī śuśrāva ghoraṃ subalātmajā ca |
bhīṣmadroṇau gautamaścāpi vidvānsvasti svastītyapi caivāhuruccaiḥ || 23 ||

Vaisampayana continued,--"Just then, a jackal began to cry loudly in the homa-chamber of king Dhritarashtra's palace. And, O king, unto the jackal that howled so, the asses began to bray responsively. And terrible birds also, from all sides, began to answer with their cries. And Vidura conversant with everything and the daughter of Suvala, both understood the meaning of those terrible sounds. And Bhishma and Drona and the learned Gautama loudly cried,--Swashti! Swashti! Then Gandhari and the learned Vidura beholding that frightful omen, represented everything, in great affliction, unto the king. And the king (Dhritarashtra) thereupon said,--