Faith is the absolute belief in God, whose location is the heart. It is associated with the saying of the tongue and the observation of the senses. The basis of this faith is the belief in God, His angels, books, messengers, the doom’s day, fate (both good and evil) are all from almighty God. Therefore, the saying of the tongue indicates this absolute belief in those fundamentals and rules. The perfect action can best be testified by the implementation of Islam in the private and public life.