Preparation to the Lesson

1st part of the Lesson — Writings of Rabash, Article 17-1 “Concerning the Importance of Friends” (1984) (5.23.2003)

2nd part of the Lesson — Writings of Baal HaSulam, “Study of the Ten Sefirot,” Vol. 2, Part 5, Item 40

3rd part of the Lesson — Principles of Spiritual Work in the Ten