What you need on a day to day basis is some "time with God" every morning. this is a link that will help you start that habit. Put it in your "Favorites" or Bookmarks.

Campus Journal -

 The only OFFENSIVE weapon the Christian has is the Word of God, which is the Sword of the Spirit. This and this alone will put the Devil to flight everytime. Check out how Jesus handles him in Matthew 4.

Cross references:

Hebrews 4:12 - the power of the WORD...

Matthew 4:1-11- Every time the Devil quoted scripture the Lord answered "it is also written".