That doctrine is not to be obtained by argument, but when it is declared by another, then, O dearest, it is easy to understand. Thou hast obtained it now; thou art truly a man of true resolve. May we have always an inquirer like thee!"

In plain words: This truth cannot be reached by arguing. When a true teacher explains it, it becomes easy to understand. Death tells Nachiketas he has received it and praises his firm determination, wishing for more students like him.