Verse
लभन्ते ब्रह्मनिर्वाणम् ऋषयः क्षीणकल्मषाः ।छिन्नद्वैधा यतात्मानः सर्वभूतहिते रताः ॥
Sages win Nirvana in the Brahman, they in whom the stains of sin are effaced and the knot of doubt is cut asunder, masters of their selves, who are occupied in doing good to all creatures.
Gītā 5·25