Chapter 6 · verse 21 · gita.yoga.org

Bhagavad Gita 6.21

सुखमात्यन्तिकं यत्तद्बुद्धिग्राह्यमतीन्द्रियम्। वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वतः

When he (the Yogi) feels that infinite bliss which can be grasped by the pure intellect and which transcends the senses, and is established therein, never moving away from the reality.