Bhishma said ‘Drawing the bowstring, destruction of enemies, agriculture, trade, tending cattle and serving others for money are not proper for a Brahmana.
भीष्म उवाच ज्याकर्षणं शत्रुनिबर्हणं च कृषिर्वणिज्या पशुपालनं च। शुश्रूषणं चापि तथार्थहेतोरकार्यमेतत् परमं द्विजस्य॥श