Islamic creed

The Shahada ( ; , 'the testimony'), also transliterated as Shahadah, is an Islamic oath and creed, and one of the Five Pillars of Islam and part of the adhan. It reads: "I bear witness that there is no god but God, and I bear witness that Muhammad is the Messenger of God." The Shahada declares belief in the oneness () of God and the acceptance of Muhammad as God's messenger. Some Shia Muslims also include a statement of belief in the of Ali, but they do not consider it as an obligatory part for converting to Islam.

Aqidah (, , pl. , ) is an Islamic term of Arabic origin that means "creed". It is also called Islamic creed or Islamic theology.