Have you found yourself caught in Satan's trick? This article explains that Satan great joy is to convince you that the sin you are about to commit is very small, and that the sin you have just committed is very large.
A very old Christian summary of the evil forces Christians have to contend with calls them "the world, the flesh, and the devil". This article discusses false and weak ways of dealing with evil. The author maintains that resistance to evil requires that we take up the whole armor of God.
Believers should expect the world to hate them. This is what 1 John 3:13 tells us. This article explains why the world hates believers.
The Bible portrays the hostility between God and Satan, but there is also abundant testimony that Satan was subject to God’s control and was used by God to accomplish his purposes. He is indeed represented as a servant of God. This presentation of Satan is explicit in the book of Job. This article looks at how Satan is portrayed in Job and then explores how later biblical texts use this presentation of Job.