I also didn't know it (I'm French). There is probably a big divide between the English-speaking world (knowing this poem) and the non-English-speaker world not

I also didn't know it (I'm French). There is probably a big divide between the English-speaking world (knowing this poem) and the non-English-speaker world not aware of it. I guess I must have passed by it many times in movies or series for instance without knowing it at all.