Misalan taimakekeniya wajen tunkarar makiya
Haka nan ra'ayin Ta'avon Ala al-Udwan (haɗi kai a cikin ta'addanci) yana bayyana a cikin wasu ayoyin Alƙur'ani. Misali, haɗin kai wajen adawa da Annabi (SAW) yana ɗaya daga cikin misalan ta'addanci: "... idan kun taimaki junanku a kansa, (ku sani cewa) Allah shine Waliyinsa, da Jibrilu, da salihai daga cikin muminai (Ali ibn Abi Talib); sannan kuma mala'iku su ne masu ƙarfafa shi." (Aya ta 4 ta Suratul Tahrim).
Alƙur'ani Mai Tsarki kuma yana umurtanmu da mu guji jayayya da sabani, domin duk wani abu da ke haifar da sabani yana raunana al'umma kuma yana lalata mutuncinta. Saboda haka, ya ce a guji jayayya da juna bisa ga biyayya ga Allah da Manzonsa (SAW) da kuma kayan ƙanshi na haƙuri: "Ku yi biyayya ga Allah da Manzonsa kuma kada ku yi jayayya da juna don kada ku rasa ƙarfin hali kuma ƙudurinku ya raunana. Ku yi haƙuri Allah yana tare da masu haƙuri." (Aya ta 46 a cikin Suratul Anfal).
Haɗin kai da haɗin kai tsakanin mutane a cikin al'umma suna bayyana ne lokacin da babu ƙiyayya, hassada, ko ƙiyayya a tsakaninsu kuma ba su da alaƙa da munanan halaye kamar yin tsegumi.
Wannan batu yana nuna tasirin haɗin kai kan kafa ɗabi'u da yawa a cikin al'umma da kuma tasirin munanan halaye marasa kyau akan haɗin gwiwa.
Hikimar hukunce-hukuncen Fiqh (fikihu) da yawa da aka ba da shawara ko aka ba da shawara shine yaɗa ruhin haɗin kai da haɗin kai a cikin al'umma. A wasu rassan fikihu, masana fikihu sun ambaci ayar haɗin kai a matsayin misalai na haɗin kai a cikin zunubi; misali, sayar da makamai ko wasu kayayyaki ga Kuffar Harbi (kafirai masu yaƙi), ciniki bisa riba, ciniki da wanda ke amfani da kuɗi ta hanyar da aka haramta, kammala sayarwa a lokacin sallar Juma'a, sayar da inabi, ko hayar wani abu don jigilar giya misalai ne na haɗin gwiwa a cikin zunubi.
