यया धर्ममधर्मं च कार्यं चाकार्यमेव च।
अयथावत्प्रजानाति बुद्धिः सा पार्थ राजसी।।18.31।।
।।18.31।।हे पार्थ मनुष्य जिसके द्वारा धर्म और अधर्मको? कर्तव्य और अकर्तव्यको भी ठीक तरहसे नहीं जानता? वह बुद्धि राजसी है।
Here Lord Krishna explains that the buddhi or intellect of those situated in raja guna the mode of passion are unable to discern between the two types of dharma or righteousness given in the previous verse or their opposite of adharma or unrighteousness which subjects one to inappropriate actions according to time, place and circumstances.