Key purpose - Gita

 वीतरागभयक्रोधा मन्मया मामुपाश्रिता: । बहवो ज्ञानतपसा पूता मद्भावमागता: ।। १० वीतरागभयक्रोधा: 

Freed from attachment, fear, and anger मन्मया: absorbed in Me माम् Me उपाश्रिता: taking refuge in ज्ञानतपसा by the fire of knowledge पूता: purified बहव: many मद्भावम् My Being आगता: have attained. 

10. Freed from attachment, fear, and anger, absorbed in Me, taking refuge in Me, purified by the fire of knowledge, many have attained My Being.

Chapter 4, Srimad Bhagavad Gita, translated by Swami Tapasyananda