This passage informs the hearer about the nature of God's word and prepares them for what is going to happen to people who expose themselves to it.
Living Word, Word Of God, God's Word, Sharper Than Sword
The Bible is not just a compilation of books and epistles but they are the Words of the Living God! Living and active! Believe it!
Living Word, God's Word, Sharper Than Sword, Powerful Word