The Fowler said : O foremost of Brahmanas, men's minds are first bent towards acquiring knowledge. When that is acquired, they indulge in their desires and anger.
व्याध उवाच विज्ञानार्थं मनुष्याणां मनः पूर्वं प्रवर्तते। तत् प्राप्य कामं भजते क्रोधं च द्विजसत्तम॥