How does this passage teach, correct, rebuke or train me for righteousness? (How to answer the, "Wait, whut?)
First: Check the translation.
Click on the scripture above and read it in a few versions.
Second: What else does the Bible say about this topic?
Check the immediate context and then other passage of scripture.
Third: Read up on the passage to help piece things together.
Commentaries, study Bibles, or even Google!