[ColdWater]

Man could have learned the knowledge of good and evil by obeying God instead of disobeying Him.

You have that backwards. They learned the knowledge of good and evil by disobeying God. Read your Bible!

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17: But of the tree of the knowledge of good and evil, thou shalt not eat of it: for in the day that thou eatest thereof thou shalt surely die

[count-your-change]

What does the word “knowledge” as used there mean?