SUBJECT & OBJECTIVES: The article provides an analysis and evidence on the impact of ethical principles on individual lifestyles. Ethical principles in their moderate state are admitted and recommended in Islam.METHOD & FINDING: In an analytical-descriptive method, this study examined Islamic ethical principles and clarified their impacts on people’s lifestyles. Muslims need to be aware of ethical principles to choose a way of life that is in line with their beliefs to avoid an identity crisis.CONCLUSION: Man is in dire need of rethinking to live according to transcendental values and beliefs, particularly in the contemporary age. Islam invites humans to live based on ethical principles and harmonize their lifestyle with values and doctrines by which they can find perfection and salvation. In this respect, man is required to benefit from believing in the oneness of Almighty Allah (SWT) and the Day of Judgment as well as controlling the soul that influences people’s lifestyles. Additionally, man has to manage his/her deeds toward achieving perfection and avoiding identity crisis i.e., s/he must harmonize his beliefs with his/her lifestyle including social relations, wearing clothes, entertainment, eating habits, etc.
