O vicious-minded, thou hast, in disrespect to me, taught my boy the worthless commendation of my foe". The preceptor replied,—"O sovereign of Daityas, it doth not behove thee to give way to anger; I have not taught thy son what he has uttered". Hiranyakashipu said,—"Prahlāda, my boy, by whom then you have been thus taught. Your preceptor says that he has not instructed you thus". Prahlāda replied,—"Vishnu, O father, is the instructor of the whole world and is present in our minds.
In plain words: The king accuses the teacher of teaching his son to praise his enemy Vishnu. The teacher says he did not teach it. When the king asks Prahlada who taught him, the boy says Vishnu himself is the teacher of the whole world and lives in everyone's mind.