Bhagavad Gita · 6.21

सुखमात्यन्तिकं यत्तद्बुद्धिग्राह्यमतीन्द्रियम्।वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वतः॥

sukham ātyantikaṁ yat tad buddhi-grāhyam atīndriyam vetti yatra na chaivāyaṁ sthitaśh chalati tattvataḥ

Where one experiences infinite happiness that is beyond the senses but perceived by the intellect, and established in which one never departs from the truth —

— Bhagavad Gita 6.21

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)