In Islam, faith (īmān) is based on six essential beliefs. Islamic beliefs provide mankind with access to the secrets of existence and the knowledge that nothing was created without a function or purpose. They relate to a person’s conduct and character and to his eventual condition in the greater life to come. But they are not a matter of blind acceptance. Basic textual evidences and brief explanations are presented in this booklet for the six principal Islamic beliefs. It has been a popular teaching aid in Islamic education centers for new Muslims.