SUNDAY: 1 John 4:1 ESV 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.

MONDAY: Romans 16:17-18 ESV I appeal to you, brothers, to watch out for those who cause divisions and create obstacles contrary to the doctrine that you have been taught; avoid them. For such persons do not serve our Lord Christ, but their own appetites, and by smooth talk and flattery they deceive the hearts of the naive.

 
TUESDAY: Colossians 2:8 ESV See to it that no one takes you captive by philosophy and empty deceit, according to human tradition, according to the elemental spirits of the world, and not according to Christ

.
WEDNESDAY: 2 Timothy 3:13 ESV While evil people and impostors will go on from bad to worse, deceiving and being deceived.

 
THURSDAY: 2 Thessalonians 2:10-11 ESV And with all wicked deception for those who are perishing, because they refused to love the truth and so be saved. Therefore God sends them a strong delusion, so that they may believe what is false,

 
FRIDAY: 2 Corinthians 11:13-15 ESV For such men are false apostles, deceitful workmen, disguising themselves as apostles of Christ. And no wonder, for even Satan disguises himself as an angel of light. So it is no surprise if his servants, also, disguise themselves as servants of righteousness. Their end will correspond to their deeds.

 
SATURDAY: Revelation 12:9 ESV And the great dragon was thrown down, that ancient serpent, who is called the devil and Satan, the deceiver of the whole world—he was thrown down to the earth, and his angels were thrown down with him.