黑人民權運動領袖馬丁路德金說過:「我有一個夢,我的四個孩子能生活在這樣的國度里,人們評價他們不是以膚色,而是以他們的性格內含。」( I have a dream that my four children will one day live in a nation where they will not be judged by the color of their skin but by the content of their character.)什麼時候評價人少以膚色衣帽了,這個國家就少了「三大差別」了。