Bhagavad Gita Chapter 6, Verse 21
सुखमात्यन्तिकं यत्तद्बुद्धिग्राह्यमतीन्द्रियम् | वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वतः ||
sukham ātyantikaṁ yat tad buddhi-grāhyam atīndriyam vetti yatra na caivāyaṁ sthitaś calati tattvataḥ
The ultimate happiness, which is perceived by the intellect and transcends the senses, is known; once established in it, one does not waver from the truth.
Krishna describes the ultimate happiness that comes from self-realization. 'Sukham ātyantikaṁ yat tad'—that (yat tad) ultimate (ātyantikam) happiness (sukham). This means: the highest, supreme, ultimate bliss—not ordinary pleasure, but the deepest satisfaction. 'Buddhi-grāhyam atīndriyam'—perceived (grāhyam) by the intellect (buddhi), transcending (atīndriyam) the senses. This means: this happiness isn't experienced through the senses—it's beyond them. It's known through the intellect, through understanding, through wisdom—not through seeing, hearing, tasting, touching. 'Vetti yatra'—knows (vetti) when (yatra). This means: when you experience this ultimate happiness, you know it. 'Na caivāyaṁ sthitaś calati tattvataḥ'—and (ca) this person (ayaṁ), established (sthitaḥ), does not waver (calati) from the truth (tattvataḥ). This means: once you're established in this ultimate happiness, you don't waver—you're steady, stable, unwavering in truth. This is the happiness of self-realization—ultimate, transcending senses, known through intellect, making you unwavering in truth.