5.16 ज्ञानेन by wisdom, तु but, तत् that, अज्ञानम् ignorance, येषाम् whose, नाशितम् is destroyed, आत्मनः of the Self, तेषाम् their, आदित्यवत् like the sun, ज्ञानम् knowledge, प्रकाशयति reveals, तत्परम् that Highest.Commentary: When ignorance, the root cause of human sufferings, is annihilated by the knowledge of the Self, this knowledge illuminates the Supreme Brahman or that highest immortal Being, just as the sun illumines all the objects of this gross, physical universe.