O man you are busy working for the world, and the world is busy trying to turn you out.
Abu Bakr was a companion and father-in-law of the Islamic prophet Muhammad. He became the first caliph (leader) of the Rashidun Caliphate following Muhammad's death. Abu Bakr's leadership and contributions were instrumental in the early expansion of Islam and the establishment of a unified Muslim state. He is highly revered in Islamic history.