Hawzah News Agency – The commander of the faithful Imam Ali peace be upon him says:
أيُّها الناسُ، إنّ آدمَ لَم يَلِدْ عَبداً ولا أمَةً، وإنّ النّاسَ كلَّهُم أحْرارٌ.
'O people! Indeed, Adam did not beget a bondsman or bondswoman, so all people are free.'
Source: Nahj al-Saada, v. 1, p. 198