Considering the period of human existence and the general decrease (of every thing), great Rishis did thus, for the well-being of the world, abridge that science.
एवं लोकानुरोधेन शास्त्रमेतन्महर्षिभिः। संक्षिप्तमायुर्विज्ञाय मानां ह्रासमेव च॥