[ 54 ] Testimony Main article: Shahadah The Shahadah , [ 55 ] which is the basic creed of Islam that must be recited under oath with the specific statement: " 'ašhadu 'al-lā ilāha illā-llāhu wa 'ašhadu 'anna muħammadan rasūlu-llāh ", or "I testify there are no deities other than God