Sometimes, it fought with them with the same logic that theirracial society originated from it( unity in blood, unity of original forebear of tribe ), and made them understood that if you think in a higher level, the human society are all created from two spouses.

So, all should form one unit:.

يا ايُّهَا النّاسُ انّا خَلَقْناكُمْ مِنْ ذَكَرٍ وَ انْثى‌ ..

O people, We have created you from one male and female.. [1]

And thereby" human brotherhood" replaced" tribalbr otherhood" and" mankind's blood" replaced" tribe's blood".

And sometimes Islam represented them that although theissue of preserving parentage, relation and connection ofindividuals to tribe as well as gens and forefathers is necessary, but it is not for boasting to the descents. Rather it is for knowingeach other through this special social classification.

It is certain that preserving rights of individuals in thesocieties necessitates that individuals shall be distinguished andrecognized from each other, and there is no more natural andcorrect way than relation to the forefathers, ancestors, nationsand tribes, but it should be only a means of knowing, notboasting:

. وَ جَعَلْناكُمْ شُعُوباً وَ قَبائِلَ لِتَعارَفُوا ..

And We appointed you races and tribes, that you may knowone another.. [2]

And once Islam notified that" dignity" and" value" ofindividuals is for their spiritual virtues and carnal habits( virtue and piety ), and this is never attainable through heritage, and in

[1]Chamberssura (94) ,verse 31

[2]Thesamedocument