«Obama Speech on Race at the National Constitution Center». National Constitution Center(en inglés). Discurso titulado "A More Perfect Union". Archivado desde el original el 18 de abril de 2022. Consultado el 24 de abril de 2021. «[...] words on a parchment would not be enough to deliver slaves from bondage, or provide men and women of every color and creed their full rights and obligations as citizens of the United States. What would be needed were Americans in successive generations who were willing to do their part - through protests and struggle, on the streets and in the courts, through a civil war and civil disobedience and always at great risk - to narrow that gap between the promise of our ideals and the reality of their time».
«Obama Speech on Race at the National Constitution Center». National Constitution Center(en inglés). Discurso titulado "A More Perfect Union". Archivado desde el original el 18 de abril de 2022. Consultado el 24 de abril de 2021. «[...] words on a parchment would not be enough to deliver slaves from bondage, or provide men and women of every color and creed their full rights and obligations as citizens of the United States. What would be needed were Americans in successive generations who were willing to do their part - through protests and struggle, on the streets and in the courts, through a civil war and civil disobedience and always at great risk - to narrow that gap between the promise of our ideals and the reality of their time».
