yas taṁ veda sa veda-vit

sri bhagavan uvaca-the Supreme Personality of Godhead said; urdhva-mulam-with roots above; adhah-downwards; sakham-branches; asvattham-banyan tree; prahuh-said; avyayam-eternal; chandamsi-Vedic hymns; yasya-of which; parnani-the leaves; yah-anyone; tam-that; veda-knows; sah-he; veda-vit-the knower of the Vedas.