As a hunter discovers the track of a deer wounded with arrow by marking spots of blood on the ground, so should one try to find out the reasons of duties.
यथा मृगस्य विद्धस्य पदमेकं पदं नयेत्। स्रक्षेद् रुधिरलेपेन तथा धर्मपदं नयेत्॥