What did the Prophet Muhammad (saw) teach Abu Mahdhura regarding Adhan?
 Abu Mahdhura said that the Apostle of Allah (may peace be upon him) taught him Adhan like this:                      Allah is the Greatest, Allah is the Greatest; I testify that there is no god but Allah, I testify that there is no god but Allah; I testify that Muhammad Is the Messenger of Allah, I testify that Muhammad is the Messenger of Allah, and it should be again repeated: I testify that there is no god but Allah, I testify that there is no god but Allah; I testify that Muhammad Is the Messenger of Allah, I testify that Muhammad is the Messenger of Allah. Come to the prayer (twice). Come to the prayer (twice). Ishaq added: Allah is the Greatest, Allah is the Greatest; there Is no god but Allah.