Sunan Abi Dawud 4676
سنن أبي داود#4676SahihAbu Hurairah reported the Messenger of Allah (May peace be upon him) as saying :Faith has over seventy branches, the most excellent of which is the declaration that there is no god but Allah, and the humblest of which is the removal of a bone from the road. And modesty is a branch of faith
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim (35)
In-book reference: 42:81