Eph. 6:11 Put on the full armor of God, so that you will be able to stand firm against the schemes of the devil.

What is the enemy that we would need the “full armor?”

Eph. 6:12 For our struggle is not against flesh and blood, but against the rulers, against the powers, against the world forces of this darkness, against the spiritual forces of wickedness in the heavenly places.

Is. 5:20 Woe to those who call evil good, and good evil; Who substitute darkness for light and light for darkness; Who substitute bitter for sweet and sweet for bitter!

Gen. 3:4 The serpent said to the woman, “You surely will not die!
Gen. 3:5 “For God knows that in the day you eat from it your eyes will be opened, and you will be like God, knowing good and evil.”
Gen. 3:6 When the woman saw that the tree was good for food, and that it was a delight to the eyes, and that the tree was desirable to make one wise, she took from its fruit and ate; and she gave also to her husband with her, and he ate.

2Cor. 11:3 But I am afraid that, as the serpent deceived Eve by his craftiness, your minds will be led astray from the simplicity and purity of devotion to Christ.