A recent survey report announced in the United States stated that after selecting a large number of research subjects for comparative experiments, it was found that the number of outstanding people in celebrity families was 23 times the number of outstanding people in ordinary people's families. 
There is a general understanding in American psychology that one liang of heredity is better than one ton of education. And it is really true.
 we can draw a highly reliable conclusion that a person's quality is mainly determined by heredity.