Why should the Omer, a period of harvesting a staple crop, have become a time of mourning?

Is it ethical to purchase Jewish items whose origins I don't know?

Honor in the city of refuge.

What does it mean to be included?

From the mouth of a demon.

Waiving one’s rights.

One Mezuzah.

Repentance at God's throne.

King, colleague, teacher.

A law of Moses from Sinai.