शिष्य उवाच ।को जीवः कः परश्चात्मा तादात्म्यं वा कथं तयोः ।तत्त्वमस्यादिवाक्यं वा कथं तत्प्रतिपादयेत् ॥ ७ ॥
In plain words
The student asked: 'Who is the individual soul, and who is the supreme Self? How do they share an identity? And how does the sacred declaration 'That thou art' reveal this truth?'
Close to the Sanskrit
The disciple spoke: 'Who is the jiva, and who is the supreme Atman? Or how is the identity of those two? And how does the sentence beginning with 'Tat tvam asi' establish that?'