Chapter 1, Mishna 1
Why do we search for chametz, leaven, by the light of a ner, lamp-flame? Spiritual, biblical and practical reasons. Which places are exempt from the search for leaven? With respect to places that might be dangerous to search, aren’t we protected from harm while performing a mitzvah, commandment? And even while on the road there and back? Do we get credit for a mitzvah we performed with mixed motives? What is the main attraction of Jerusalem?