Sunan Abi Dawud 5081
سنن أبي داود#5081Mawdu'Abu al-Darda’ said:if anyone says seven times morning and evening; “Allah sufficeth me: there is no god but He; on him is my trust- he, the Lord of the Throne (of glory) Supreme”, Allah will be sufficient for him against anything which grieves him, whether he is true or false in (repeating) them
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniMawdu
Muhammad Muhyi Al-Din Abdul HamidMawdu
Zubair Ali ZaiIsnaad Hasan
In-book reference: 43:309