and to do. No "and" in Hebrew text, but it is read in some codices with Samaritan Pentateuch, The Targum of Jonathan ben Uzziel Septuagint, Syriac, and Vulgate.
this day. See note on Deuteronomy 4:26.
above all nations. See Deuteronomy 26:19.
Related Commentaries of Deuteronomy 28:1
Deuteronomy 28:1
1 And it shall come to pass, if thou shalt hearken diligently unto the voice of the LORD thy God, to observe and to do all his commandments which I command thee this day, that the LORD thy God will set thee on high above all nations of the earth: