Bhagavad Gita 5.24
योऽन्तःसुखोऽन्तरारामस्तथान्तर्ज्योतिरेव यः।
स योगी ब्रह्मनिर्वाणं ब्रह्मभूतोऽधिगच्छति।।5.24।।
Yontahsukhontararamastathantarjyotireva yah
Sa yogi brahmanirvanam brahmabhutodhigachchhati
Simple meaning, written by AIHe who feels inner happiness, inner delight, and inner light, that yogi attains Brahma‑nirvana and becomes one with Brahman.