Bhagwad Gita
Chapter 18, Verse 50
सिद्धिं प्राप्तो यथा ब्रह्म तथाप्नोति निबोध मे।समासेनैव कौन्तेय निष्ठा ज्ञानस्य या परा।।18.50।।
O son of Kunti, learn from Me in brief how one can attain to the supreme perfectional stage, Brahman, by acting in the way which I shall now summarize.