To separate [African American children] from others . . . solely because of their race generates a feeling of inferiority . . . that may affect their hearts and minds in a way unlikely ever to be undone. . . . The impact is greater when it has the [approval] of the law, for the policy of separating the races is usually interpreted as denoting the inferiority of [African Americans]. A sense of inferiority affects the motivation of a child to learn. What is the purpose of this passage?