kṛṣṇa-śakti - the energy of Lord Kṛṣṇa; dhara - possess; tumi - you; jāna - know; tattva-bhāva - the factual position; jāni' - although knowing all these things; dārḍhya lāgi' - for the sake of strictness; puche - he inquires; sādhura - of a saintly person; svabhāva - the nature.

“Since you possess Lord Kṛṣṇa’s potency, you certainly know these things. However, it is the nature of a sādhu to inquire. Although he knows these things, the sādhu inquires for the sake of strictness.