Verse 50

आत्मनो जगतश्चान्तर्द्रष्टृदृश्यदशान्तरे ।दर्शनाख्ये स्वमात्मानं सर्वदा भावयन्भव

In plain words

Within the very interval between the states of draṣṭṛ and dṛśya, seer and seen -- of ātman and of the world -- an interval called 'seeing': there always contemplate your own ātman, and so remain.