Bhagavad Gita 6.21
सुखमात्यन्तिकं यत्तद्बुद्धिग्राह्यमतीन्द्रियम्।
वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वतः।।6.21।।
Sukhamatyantikam yattadbuddhigrahyamatindriyam
Vetti yatra na chaivayam sthitashchalati tattvatah
Simple meaning, written by AIThat infinite happiness, which is grasped by the intellect and lies beyond the senses, is known there; established there, one does not waver from the truth.