I grow mint in a box on my window... 2 kinds- peppermint and spearmint. As I began clipping leaves I randomly said... “Thank you gatherers for figuring out which plants were medicinal and which ones would kill us”. It must've been a wild time... figuring all that out while watching over children and trying to survive.
Read more about hunter-gatherers here:
Hunter-Gatherers (Foragers) | http://hraf.yale.edu/resources/faculty/explaining-human-culture/hunter-gatherers-foragers-2/