Satan's Schemes: 1

10Finally, be strong in the Lord and in his mighty power. 11Put on the full armor of God so that you can take your stand against the devil's schemes. 12For our struggle is not against flesh and blood, but against the rulers, against the authorities, against the powers of this dark world and against the spiritual forces of evil in the heavenly realms.

The first of 2 sermons looking at the schemes Satan employs to fight against God's people: his overall aim and his strategies:
Doubts
Delusions
Defamations
Discontentment
Dazzling