व्यासशिष्योत्पत्तिवर्णन (Origins/Enumeration of Vyāsa’s Disciplic Succession) — Chapter on Vedic Transmission Lineages
ऋचां दशसहस्राणि ह्यशीतिस्त्रिंशदेव तु / सहस्रमेकं मन्त्राणामृचामुक्तं प्रमाणतः
ṛcāṃ daśasahasrāṇi hyaśītistriṃśadeva tu / sahasramekaṃ mantrāṇāmṛcāmuktaṃ pramāṇataḥ
The ṛc are ten thousand, and indeed there are also eighty and thirty besides. By the accepted measure, the ṛc of the mantras are said to be one thousand and one.