Mbh 13.10.9

"'"The king said, 'When thou hast addressed me in this strain, O regenerate one, I am bound to enlighten thee, even if the matter be one that should not be divulged in thy hearing. I must tell thee the truth. Do thou listen to me with close attention, O regenerate one. Listen to me, O foremost of twice-born persons, as I disclose to thee what happened (to us) in our former births. I remember that birth. Do thou listen to me with concentrated mind. In my former life I was a Sudra employed in the practice of severe penances. Thou, O best of regenerate persons, wert a Rishi of austere penances. O sinless one, gratified with me, and impelled by the desire of doing me good, thou, O Brahmana, wert pleased to give me certain instructions in the rites I performed (on one occasion) in honour of my Pitris. The instructions thou gayest me were in respect of the manner of spreading the Vrishi and the Kusa blades and of offering libations and meat and other food to the manes, O foremost of ascetics. In consequence of this transgression of thine thou hast taken birth as a priest, and I have taken birth as a king, O foremost of Brahmanas. Behold the vicissitudes that Time brings about. Thou hast reaped this fruit in consequence of thy having instructed me (in my former birth). It is for this reason, O Brahmana, that I smile at sight of thee, O foremost of regenerate persons. I do not certainly laugh at thee from desire of disregarding thee. Thou art my preceptor.[25] At this change of condition I am really very sorry. My heart burns at the thought. I remember our former births, hence do I laugh at sight of thee. Thy austere penances were all destroyed by the instructions thou gayest me. Relinquishing thy present office of priest, do thou endeavour to regain a superior birth. Do thou exert so that thou mayst not obtain in thy next life a birth meaner than thy present one. Take as much wealth as thou wishest, O learned Brahmana, and cleanse thy soul, O best of men.'"