This shiur discusses if all 613 mitzvos were given on Har Sinai, when did Klal Yisrael become aware of them, and when did they become obligated in each one of the 613 mitzvos.

Chizzuk and Tehillim Every Sunday Night at 9

The first ten minutes are halachah and then parshah.

The Maareh Mekomos are available via email.

The recording starts a minute late. The beginning mentions that in Parshas Behar, the mitzvah of Shemittah is mentioned which demands a great amount of bitachon and emunah to abandon one's land for a whole year, and just rely on Hashem.

The first part is Halachah, and the parshah speech begins at about 10 minutes in.