Final answer:
George Mueller wrote 'Jehovah Jireh' on his window as a way to express his gratitude for answered prayers and to acknowledge God's provision.
Step-by-step explanation:
George Mueller once wrote 'Jehovah Jireh' on his window to express his gratitude for answered prayers. This phrase translates to 'The Lord Will Provide' and is derived from the Bible. By writing it on his window, Mueller was acknowledging that God had provided for his needs.
George Mueller was a well-known Christian evangelist and the founder of orphanages in Bristol, England. He relied solely on prayer and faith to provide for the needs of the orphans under his care. Mueller's belief in the provision of God can be seen in many instances throughout his life and his writings. The act of writing 'Jehovah Jireh' on his window was a visual reminder of God's faithfulness and provision.