And Pharaoh sent for Moshe and Aharon and said to them, “I have sinned this time. Hashem is...
“You shall not allow a sorceress to live.”
– Sh’mos 22:17
The Sefer HaChinuch explains that the mitzvah to destroy sorcerers is based on the foundation that Hashem created a perfect world. Everything in this world has a plan and a purpose, and everything is in exact balance. To maintain a perfect physical world, Hashem created a spiritual world to guide it. From the stars and planets, down to the trees and grass, behind every physical entity is a spiritual counterpart that is responsible for its existence. Chazal tell us, “No blade of grass grows without an angel guiding it (B’reishis Rabah 10:6).”