tavat prasanno bhagavan
puskaraksah krte yuge
darsayam asa tam ksattah
sabdam brahma dadhad vapuh
tavat—then; prasannah—being pleased; bhagavan—the Supreme Personality of Godhead; puskara-aksah—lotus-eyed; krte yuge—in the Satya-yuga; darsayam asa—showed; tam—to that Kardama Muni; ksattah—O Vidura; sabdam—which is to be understood only through the Vedas; brahma—the Absolute Truth; dadhat—exhibiting; vapuh—His transcendental body.
Then, in the Satya-yuga, the lotus-eyed Supreme Personality of Godhead, being pleased, showed Himself to that Kardama Muni and displayed His transcendental form, which can be understood only through the Vedas.
Here two points are very significant. The first is that Kardama Muni attained success by yoga practice in the beginning of Satya-yuga, when people used to live for one hundred thousand years. Kardama Muni attained success, and the Lord, being pleased with him, showed him His form, which is not imaginary. Sometimes the impersonalists recommend that one can arbitrarily concentrate one’s mind on some form he imagines or which pleases him. But here it is very clearly said that the form which the Lord showed to Kardama Muni by His divine grace is described in the Vedic literature. Sabdam brahma: the forms of the Lord are clearly indicated in the Vedic literature. Kardama Muni did not discover any imaginary form of God, as alleged by rascals; he actually saw the eternal, blissful and transcendental form of the Lord.
Link to this page: https://prabhupadabooks.com/sb/3/21/8