He who practices virtue only for the sake of virtue always suffers afflictions. He can never be called a wise man. He cannot know the (real) purpose of virtue, as a blind man is incapable of seeing the light of the sun.
यस्यधर्मो हिधर्मार्थं क्लेशभाङ् न स पण्डितः। न सधर्मस्य वेदार्थं सूर्यस्यान्धः प्रभामिव॥