This is evidently an introduction to the discourse of the
   subsequent chapters.  Moses having practically improved some
   particulars in the history of Israel, proceeded to repeat and
   enforce the laws which he had delivered before, with additions
   and explanations, beginning with the ten commandments.

  1:5  17:18,19  27:3,8,26  33:4  Le 27:34  Nu 36:13  Mal 4:4  Joh 1:17