For example, we didn't know what these hieroglyphs said until 1799 when we found the Rosetta Stone. And what was useful about the Rosetta Stone is that they had some text written in the hieroglyphs and they had the same text then written in a Greek that we were able to understand. And that started to help unlock what these hieroglyphs said. But even once you have a sense of what they say, and even if you understand it quite well, you still have to do a lot of detective work and take everything with a grain of salt. You can imagine if one, you can imagine if one, if there's a bunch of groups of people here and we get the history from this group, for some reason we're able to find what they wrote, well, it might not be completely unbiased. They might have a negative view of this group or that group. And so you have to take it with all the grain of salt.