"Put on the whole armor of God, that you may be able to stand against the schemes of the devil."
Ephesians 4:27
"And give no opportunity to the devil."
1 John 4:1
"Beloved, do not believe every spirit, but test the spirits to see whether they are from God, for many false prophets have gone out into the world."
Proverbs 18:10
"The name of the Lord is a strong tower; the righteous man runs into it and is safe."