There are seven things which are essential for a Muslim to believe in. These are spelled out in detail in the formal declaration of Islamic faith known as Iman Mufassal. Muslims pledge: 1. Faith in Allah; 2. Faith in His angels; 3. Faith in His revealed Books; 4. Faith in all of His messengers or Prophets; 5. Faith in the Last Day or the Day of Judgement; 6. Faith in the doctrine of predestination, which lays down that everything good or bad is decided by God), (Taqdir) and 7. Faith in the life after death.