They talked on various subjects in voices deep as those heroes were such that neither Vaishyas, nor Shudras, nor Brahmanas could talk in that way.
ते नर्दमाना इव कालमेधाः कथा विचित्राः कथयाम्बभूवुः। न वैश्यशूद्रौपयिकी: कथास्ता न च द्विजानां कथयन्ति वीराः॥