Answer: I think it means, that those who believe without having to see concrete evidence, are the most devoted and loyal to God, and will be blessed the most, since they rely on faith alone and it proves their loyalty.
Explanation:
Answer: Good and evil
Explanation: A story usually has an antagonist - (its a good character) and a protagonist (evil side). Try some fairy tales like Cinderella! The stepmother and her daughters are the protagonists and Cinderella, the kingdom's rulers and the godmother are antagonists.