Jabir b. Abdullah reported that it was concerning them (the Ansar) that this verse was revealed, that when the two groups amongst you were about to lose heart and Allah was the Guardian of them both. This concerned Banu Salama and Banu Haritha and we did not like that Allah, the Exalted and Glorious, should not have revealed this verse for the fact that Allah (gave an assurance) of being the Guardian of both.
Zaid b. Arqam reported that Allah's Messenger (ﷺ) said
O Allah , , grant forgiveness to the Ansar , the offspring of the Ansar and the offspring of the offspring of the Ansar.
This hadith has been narrated on the authority of Shulba with the same chain of transmitters.
Anas reported that Allah's Messenger (ﷺ) sought forgiveness for the Ansar and he said
I think (he also sought forgiveness) for the children of the Ansar and the slaves and the freed men of the Ansar. I have no doubt about it.
Anas reported that Allah's Messenger (ﷺ) saw children and women of the Ansar coming back from a wedding feast. Allah's Apostle (ﷺ) stood up motionless (as a mark of respect) and said
O Allah, (bear witness) (and addressing the Ansar), said: You are dearest to me amongst people, (and said: O Allah (bear witness) (and addressing the Ansar), said: You are dearest to me amongst people. And he meant Ansar.
Anas b. Malik reported that a woman from the Ansar came to Allah's Messenger (ﷺ) and Allah's Messenger (ﷺ) stood aside with her and said
By Him in Whose Hand is my life, you are dearest to me amongst the people. He repeated it thrice.
This hadith has been reported on the authority of Shu'ba with the same chain of transmitters.
Anas b. Malik reported Allah's Messenger (ﷺ) as saying
The Ansar are my family and my trusted friends. and the people would increase in number whereas they (the Ansar) would become less and less, so appreciate the deeds of those from amongst them who do good and overlook their failings.