Why didn't God destroy Satan but allowed him to live though he knew Satan is harmful?

Why didn’t God destroy Satan but allowed him to live though he knew Satan is harmful?

This is a really good question.

The answer is here, and you need to LISTEN to the audio (see the speaker at the top next to the print button) to hear the answer to your question. It is dealt with at the end, but if you don’t listen to it all, it will not make sense.

[Why did Satan think he could defeat God? | GotQuestions.org] <(Why did Satan think he could defeat God? | GotQuestions.org) <— click here to read and listen