Machshava:

Philosophy of Halacha,  Rav Kook 

Collections: R' Shvat Ain Aya- Rav Kook's commentary on the Aggadeta of Masechet Shabbat

Description

Rav Kook, as always, suggests an innovative approach to understanding some of the laws of tahara and tuma (often translated as "spiritual purity and impurity"), including Parah Adumah (the Red Heifer).