Bhagavad Gita 5.24

योऽन्तःसुखोऽन्तरारामस्तथान्तर्ज्योतिरेव यः।स योगी ब्रह्मनिर्वाणं ब्रह्मभूतोऽधिगच्छति ॥५.२४॥

yo’ntaḥsukho’ntarārāmastathāntarjyotireva yaḥsa yogī brahmanirvāṇaṃ brahmabhūto’dhigacchati

He who is happy within, who rejoices within, and who is illuminated within, that Yogi attains absolute freedom, or Moksha, becoming Brahman himself.

गीता