
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.
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