Muwatta Malik 66
موطأ مالك#66SahihYahya related to me from Malik that he had heard that the Messenger of Allah, may Allah bless him and grant him peace, said, "Try to go straight, although you will not be able to do so. Act, and the best of your actions is the prayer. And only a mumin is constant in his wudu
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Salim al-HilaliSahih Lighairihi
In-book reference: 2:35