And then the Shudras, the laborers. Now, some historians and Vedic scholars believe that these reference to the varnas were added after the Vedic period to things like the Rig Veda. And some believe that these weren't traditional castes as it's sometimes perceived today, but just a reference to different social strata, that it wasn't necessarily inherited. We are not actually sure about that. But just to give you a feel of what was in the Rig Veda, and I encourage you to go look at the actual primary text, and there's a lot of there to read. It includes prayers, it includes praise of the gods, it includes rituals, but it also has a lot of interesting philosophy. And for example, this is part of, this is from the Rig Veda.