Bhagavad Gita 6.21

सुखमात्यन्तिकं यत्तद्बुद्धिग्राह्यमतिन्द्रियम् |
वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वत:

Translation

In that joyous state of Yog, called samadhi, one experiences supreme boundless divine bliss, and thus situated, one never deviates from the Eternal Truth.