सुखमात्यन्तिकं यत्तद् बुद्धिग्राह्यमतीन्द्रियम् । वेत्ति यत्र न चैवायं स्थितश्चलति तत्त्वतः ॥ ६-२१॥
sukhamātyantikaṃ yattad buddhigrāhyamatīndriyam vetti yatra na caivāyaṃ sthitaścalati tattvataḥ
When he (the YOGI ) feels that Infinite bliss — which can be grasped by the (pure) intellect and which transcends the senses — wherein established he never moves from the Reality;
sukhaṃ = happiness; ātyantikaṃ = supreme; yat = which; tat = that; buddhi = by intelligence; grāhyaṃ = accessible; atīndriyaṃ = transcendental; vetti = one knows; yatra = wherein; na = never; ca = also; eva = certainly; ayaṃ = he; sthitaḥ = situated; calati = moves; tattvataḥ = from the truth;