"...I thought the times were over when after conquering the others, Christian colonial powers would convert mosques into churches, and Muslim powers would turn churches into mosques. This is falling back into a mindset of Crusade times and in the case of the most prestigious church of Eastern Christianity, it harms Christian-Muslim relations around the globe..."
January 1, 1970
https://en.wikiquote.org/wiki/Hagia_Sophia