Verse 6

सा शुद्धरूपा विज्ञाता परमात्मेति कथ्यते ।शुद्धा त्वशुद्धरूपान्तरविद्येत्युच्यते बुधैः

In plain words

That saṃvit, known in its pure form, is called Paramātman; but the pure one, when inwardly of impure form, is called avidyā by the wise.