• Proverbs 4:23-27
  Keep your heart with all diligence,
  For out of it spring the issues of life.
  Put away from you a deceitful mouth,
  And put perverse lips far from you.
  Let your eyes look straight ahead,
  And your eyelids look right before you.
  Ponder the path of your feet,
  And let all your ways be established.
  Do not turn to the right or the left;
  Remove your foot from evil.
   
• 2 Corinthians 10:4-5
  For the weapons of our warfare are not carnal but mighty in God for pulling down strongholds, casting down arguments and every high thing that exalts itself against the knowledge of God, bringing every thought into captivity to the obedience of Christ,
   
• Philippians 4:6-8
  Be anxious for nothing, but in everything by prayer and supplication, with thanksgiving, let your requests be made known to God; and the peace of God, which surpasses all understanding, will guard your hearts and minds through Christ Jesus. Finally, brethren, whatever things are true, whatever things are noble, whatever things are just, whatever things are pure, whatever things are lovely, whatever things are of good report, if there is any virtue and if there is anything praiseworthy—meditate on these things.
   
• Matthew 6:33
  But seek first the kingdom of God and His righteousness, and all these things shall be added to you.
   
• Hebrews 3:12
  Beware, brethren, lest there be in any of you an evil heart of unbelief in departing from the living God;
   
• Deuteronomy 4:9
  Only take heed to yourself, and diligently keep yourself, lest you forget the things your eyes have seen, and lest they depart from your heart all the days of your life. And teach them to your children and your grandchildren,
   
• Psalm 119:165
  Great peace have those who love Your law,
  And nothing causes them to stumble.
  
   
• Luke 21:34
  "But take heed to yourselves, lest your hearts be weighed down with carousing, drunkenness, and cares of this life, and that Day come on you unexpectedly.
   
• Ephesians 6:11
  Put on the whole armor of God, that you may be able to stand against the wiles of the devil.
   
• Ephesians 6:13-14
  Therefore take up the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand. Stand therefore, having girded your waist with truth, having put on the breastplate of righteousness,
   

Related Scriptures

• Jeremiah 17:9
  " The heart is deceitful above all things,
  And desperately wicked;
  Who can know it?
  
   
• Matthew 15:18-19
  But those things which proceed out of the mouth come from the heart, and they defile a man. For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies.
   
• Matthew 12:34-35
  Brood of vipers! How can you, being evil, speak good things? For out of the abundance of the heart the mouth speaks. A good man out of the good treasure of his heart brings forth good things, and an evil man out of the evil treasure brings forth evil things.
   
• Proverbs 17:22
  A merry heart does good, like medicine,
  But a broken spirit dries the bones.
  
   
• Galatians 6:8
  For he who sows to his flesh will of the flesh reap corruption, but he who sows to the Spirit will of the Spirit reap everlasting life.
   
• James 4:8
  Draw near to God and He will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded.