this day: i.e. it is declared this day that, &c. Figure of speech Metonymy (of Subject), App-6, where the action is put for the declaration concerning it. Punctuate thus: "Hear,. Israel this day", &c. See note on Deuteronomy 4:26.
nations. Put by Figure of speech Metonymy (of Subject), App-6, for the countries inhabited by them.