In addition, these sedras contain a restatement of the principles of Judaism in the form of the AseretHaDibrot and the first two passages of the Shma. Also expressed in this opening section of D'varim is the integral link between the People and the Land of Israel. The final section of D'varim, the last 5 sedras, contains relatively few mitzvot. But it does contain the basis of understanding what being a Jew means. In these sedras we have the admonition against forsaking the Torah, the concepts of Free Will, T'shuva, the Chain of Tradition.
Judges are to be selected for their Torah knowledge and other appropriate qualities.
Once again, Eretz Yisrael is shown as the main focus and the People are urged not to fear what liesahead. In the same pasuk, the reference to the convert in the context of judging teaches us that conversion to Judaism must be done by a Beit Din. The Gemara states that if a non-Jew decides on his own that he is Jewish, this does not constitute conversion. A Beit Din is required. This will reduce the body's cravings and will make fasting easier.