As being pounded between two stones, the dust becomes finer and finer, so questions of morality, the more they are discussed, becomes subtler and subtler.
यथा ह्यकस्माद् भवति भूमौ पांसुर्विलोलितः। तथैवेह भवेद् धर्मः सूक्ष्मः सूक्ष्मतरस्तथा॥