James 4;7-''Resist the devil, and he will flee from you.''
How sad it is, that many of the Lord's own people today, are so ignorant of Satan's devices, that they can't see his approaches, still less resist them.
Some limit his devices to external baits, he sets before us, in his efforts to lead us, into some outward sin. But more often, his attacks are internal, by means of suggestions to the mind.
He will suggest something, which will become our desire, and our desire will lead to a course of action. Romans 12;2 tells us we overcome worldliness by the renewing of our minds. Worldliness is what you think, and what you think you will act out.
Saturate your mind with God's Word, and ask the Holy Spirit to guard your thoughts.