On Shrimad Bhagwad Gita: What does it mean to ‘see the self by the self’?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

यत्रोपरमते चित्तं निरुद्धं योगसेवया ।

यत्र चैवात्मनात्मानं पश्यन्नात्मनि तुष्यति ।।

yatroparamate chittaṁ niruddhaṁ yoga-sevayā

yatra chaivātmanātmānaṁ paśhyann ātmani tuṣhyati

At the time when the mind restrained through the practice of Yoga gets withdrawn, and just when by seeing the Self (the pure self) by the self (the little self), one remains contented in the Self alone.

~ Shrimad Bhagavad Gita, Chapter 6, Verse 20

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Question: What is meant by seeing the pure self by the little self? What is meant by seeing the Self by the self?

Acharya Prashant: Seeing the Self by the self means two things. One — the ego is allowing itself to love. Second — the ego is allowing itself to hate. Seeing the Self by the self, two things are here: seeing and self. There…