"Good afternoon and welcome! Is it the same as usual for you?". Millions of diverse and limitless entities boil down to exactly the same things. It could be expensive materials and good service, or cheap and old furniture. It could be rude employees or courteous staff. Every day, year after year. The same conversations. The same characters and cases to discuss. The same occasions to meet. Different numbers, but everything else is exactly the same. How does it work? It is impossible to find two stones at the bottom of the ocean that are absolutely identical, but they are all stones that lie at the bottom.