Ab2ab2 26.4k1313 gold badges7272 silver badges105105 bronze badges ten And while in the 60s, in my Latin course we chanted the connected Ubi, ubi est meus sub ubi? bib In 19th century Europe, there was mathematical and philosophical dialogue about the precise mother nature from the natural numbers. Henri Poincaré https://share.evernote.com/note/f5ed0f3d-3352-3d51-727d-10fa609eb157