व्यासशिष्योत्पत्तिवर्णन (Origins/Enumeration of Vyāsa’s Disciplic Succession) — Chapter on Vedic Transmission Lineages
सप्तषष्टिस्तन्थान्यानि नियुतानि च संख्याया / विंशतिश्च सहस्रामि कालो ऽयं साधिकं विना
saptaṣaṣṭistanthānyāni niyutāni ca saṃkhyāyā / viṃśatiśca sahasrāmi kālo 'yaṃ sādhikaṃ vinā
In the reckoning are sixty-seven niyutas and other units, and also twenty thousand; this span of time is stated without any excess.