Answer: Kabbalists should teach people to unite with each other. Therefore, we build tens and show practical example of unification.
Question: What qualities should a person have in order to teach this to others?
Answer: He himself must actively participate in unification, learn from this practice, and then he will be able to teach this to others. Kabbalah is the most practical science.
From the Kabbalah Lesson in Russian 12/11/16