Principles from the Lives of the Four Rightly-Guided Caliphs
The most exceptional era in human history in terms of virtue, justice, altruism, and ethics was the era of the golden age of Islam. It is called a golden age because Prophet Muhammad (s.a.s.), whose inward spirit many Muslims understand as the original cause of creation, was alive in the world during that time. The spiritual power of the Prophet shaped the era in which he lived.