atha-therefore; nityam-the eternal spirit soul; anityam-the temporary material body; va-or; na-not; iha-in this world; socanti-they lament for; tat-vidah-those who are advanced in knowledge of the body and soul; na-not; anyatha-otherwise; sakyate-is able; kartum-to do; sva-bhavah-the nature; socatam-of those prone to lamentation; iti-thus.