Why Evil Cannot Be Destroyed In The World

Question: Why does the Creator carefully protect and prevent the destruction of evil in the world?

Answer: Who would be corrected? Both evil and good must be corrected at the same time because they are all the cause of evil.

Question: Are you saying that good is also a reason for correction?

Answer: Of course! Both good and evil are equally responsible for the manifestation of some negative phenomenon. If we remove this negative phenomenon, then the same good and the same evil with their internal vices remain, and next time an even greater evil is manifested.
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From the Kabbalah Lesson in Russian 7/7/19