Tranquillity of mind is a great duty that is in vogue among the righteous. Householders of pure mind are capable of acquiring very great merit.
शमस्तूपरमो धर्मः प्रवृत्तः सत्सु नित्यशः। गृहस्थानां विशुद्धानां धर्मस्य निचयो महान्॥