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What are the different reasons given to serve Hashem?
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Malbim: (a) We were slaves in Egypt. Since Hashem redeemed us, we are now His slaves. (b) After seeing His wonders, we have awe of His exaltedness. (c) He will benefit us, just like he supplied our needs in the Midbar and fought nations. (d) Fear of harm if we would abandon Him (just like He expelled the previous residents of Kena'an). 1
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Malbim: This is also a reason not to serve the gods of Egypt or Kena'an
