Who is stanley i. greenspan?

Famous quotes by stanley i. greenspan:

    In everything from athletic ability to popularity to looks, brains, and clothes, children rank themselves against others. At this age [7 and 8], children can tell you with amazing accuracy who has the coolest clothes, who tells the biggest lies, who is the best reader, who runs the fastest, and who is the most popular boy in the third grade.
    Stanley I. Greenspan (20th century)