Moshe describes a dramatic ceremony that Am Yisrael is commanded to perform when they eventually cross into the Land of Israel that requires the public reading of curses and blessings. What is interesting is that the list of curses with which the ceremony begins is a litany of diverse crimes that seem unrelated. The crimes range from insulting parents, taking advantage of the blind, and subverting the trial of orphans, strangers, and widows among others. Ibn Ezra suggests that the common thread that binds all of these sundry crimes together is that they are all committed in secret and are almost impossible to prosecute.