vaisyas tu varta-vrttih syan
vaisyah-the mercantile community; tu-indeed; varta-vrttih-engaged in agriculture, cow protection, and trade; syat-must be; nityam-always; brahma-kula-anugah-following the directions of the brahmanas; sudrasya-of the fourth-grade persons, the workers; dvija-susrusa-the service of the three higher sections (the brahmanas, ksatriyas and vaisyas); vrttih-means of livelihood; ca-and; svaminah-of the master; bhavet-he must be.