"I do not deny the physiological differences caused by hereditary factors. This is naturally existent," Xiang Shan said to the university students below, "Many studies have proven that a person's innate genetics can affect their later-developed personality and thought tendencies. However, 'innate differences' are much smaller than 'influences acquired later.' I think those of you who have studied biology understand the difference between 'genotype' and 'phenotype.' Even identical genes, under different growth environments, can display varied expressions."
"In intelligence testing, a considerable part of it can be improved through training. If we significantly strengthen the weighting of these subjects, we might get the result 'people with income below a certain threshold score lower on certain types of IQ tests.' This is because not everyone has the means to undertake reading or complex arithmetic training."
