That knowledge alone bears fruit, which does work, not others. In this world the result of action admits of ocular proof; one oppressed by thirst is satisfied by drinking water.
या वै विद्याः साधयन्तीह कर्म तासां फलं विद्यते नेतरासाम्। तत्रेह वै दृष्टफलं तु कर्म पीत्वोदकं शाम्यति तृष्णयाऽऽतः॥