In the book of Job it talks about the story of a man name Job and how he was a righteous man a blameless man a Godly man. The books talks about how the accuser Satan pretty much ask God for permission to allow Job to withstand hardships to test his true loyalty to God. God gives permisssion and Job begins to face bad life situations
The book of Palms are a collection of songs and poems that were mostly written by King David. Some of the other authors of the book were the sons of Korah and Aseph just to name a few. In the begenning of the book of Psalms from what I understood it is like a prayer book of Gods people.
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