Who is stanley i. greenspan?

Famous quotes containing the words greenspan and/or stanley:

    If your child is going to develop a healthy personality with the capacity to remain intact and grow, she must learn how to test reality, regulate her impulses, stabilize her moods, integrate her feelings and actions, focus her concentration and plan.
    —Stanley I. Greenspan (20th century)

    Value is the most invincible and impalpable of ghosts, and comes and goes unthought of while the visible and dense matter remains as it was.
    —W. Stanley Jevons (1835–1882)