Verse 26

एतां दुःखप्रसविनीमनात्मन्यात्मभावनाम् ।न भावयसि चेद्राम तदा तज्ज्ञेषु गण्यसे

In plain words

This bhāvanā of self in what is not self, the begetter of sorrow — if you do not entertain it, Rāma, then you are counted among the knowers of the Truth.