Verse 6

दुःखमात्मा सुखं चैव खमाशासुमहत्तया ।सर्वमात्ममयं ज्ञातं नष्टकष्टोऽहमात्मना

In plain words

The ātman is sorrow, and joy as well; it is space, through its great vastness across the quarters. All has been known as made of the ātman; through the ātman I am one whose anguish is destroyed.