In this chapter of the Bible, Jesus really lays it on the Pharisees because it is the last chance He has to warn them before He dies.

James 1:12-18 - The Difference Between Testing and Tempting
21:21

Nehemiah 5 - The Wealthy Israelites Mistreat the Poor
24:38

James 1:1-12 - A Fitting Introduction to the Book of James
26:28