DEAUVILLE, France—Nothing good usually comes from constant scrolling on Instagram. That was until last week, when a poem popped up from none other than Muhammad Ali, widely considered one of the greatest fighters of all time--and not a bad poet and philosopher it would seem. The poem read, "Friendship is a priceless gift, that cannot be bought or sold but its value is far greater than a mountain made of gold. For gold is cold and lifeless it can neither be seen nor heard. In times of trouble, it is...