The Basmala: also known by its incipit Bi-smi llāh, is the Islamic phrase bi-smi llāhi r-raḥmāni r-raḥīmⁱ, "In the name of God, the Most Gracious, the Most Merciful."
The Kalima: There is no God but Allah Muhammad is the messenger of Allah. This is a declaration that you are a Muslim and it is necessary for all new converts to recite this upon conversion to the new faith.
The Shahada: also spelled Shahadah, is an Islamic oath, one of the Five Pillars of Islam and part of the Adhan. It reads: "I bear witness that none deserves worship except God, and I bear witness that Muhammad is the messenger of God."