When Satan whispers, “You have no right to represent God,” remind him—you’re commissioned (2 Corinthians 1:21–22). When Satan whispers, “You don’t know what to say,” remind him—God does (Matthew 10:16–20). And when Satan whispers, “This will get you killed,” remind him—you’re already dead. 

Scripture References: 

Ephesians 6:10–18 (NLT)
2 Corinthians 1:21–22 (NLT)
2 Corinthians 5:15,17–20 (NLT)
Matthew 10:16–20 (NLT)
2 Timothy 4:3–7 (NLT)