The possibility of developing a top seller is so alluring that American companies speand billions of dollars a year trying to create new products or improve old ones The healthiest type of parents are those who guide and instruct their children, but also grant them a degree of autonomy . encouraging the children to make their own decisios and form their own opinions. The teacher would have achieved better results if she had been as to commend students
for their successes as she was to criticize them for their failures 20. A person can be very intelligent and yet be deficient in common sense.