We know what is not known
Svetaketu son of Aruni went to school when he was 12 years and returned back when he was 24 years after completing his education of Vedas Aruni asked his son Svetaketu,” Have you well read and read Vedas, do you know that we hear what is not heard by which we perceive, what is not perceived, by which we know what is not known?’ Svetaketi denied to know such things and asked his father to teach him what is not taught through Vedas. Aruni advanced, “My dear son, as different things are made of same one lump of clay but they are known by the different name as like pot made of clay, utensils made of clay and the difference between them is only of the name that arising from speech but the truth is that they all is clay.” Aruni added,” further, all ornaments made of piece of gold is know different only by name arising of speech as of necklace, bracelet but in reality, that all ornaments are only gold.” Svetaketi said, “I have read many things but such differentiation is not taught