For instance he would not understand that it may be better to say an untruth rather than a truth in a case where the former would make for harmony and the latter for disharmony. Many things seem to be untrue for the moment, yet as we grow up to understand things better we find that from another point of view they may be true. Therefore a child should show consideration for his elders. The Prophet rebuked his grandson for not calling a servant "uncle"; the servant, being older, must know more than he.