Verse 39

एवं च याति तुर्यत्वमेवं मुक्तिरिति स्मृता ।दृश्यदर्शनमुक्तायां युक्तायां परया धिया

In plain words

And thus it comes to turīya; thus is it held to be liberation. Released from the seen and the seeing, joined to the supreme understanding --