sei - that; advaya-tattva - Absolute Truth without a second; kṛṣṇa - Lord Kṛṣṇa; svayam-bhagavān - the Supreme Personality of Godhead; tina-kāle - in three phases of time (past, present and future); satya - truth; tiṅho - He; śāstra-pramāṇa - the verdict of all Vedic literatures.

“That Absolute Truth without a second is Lord Kṛṣṇa, the Supreme Personality of Godhead. He is the supreme truth in the past, present and future. That is the evidence of all revealed scriptures.