Let your reasonableness be known to everyone. The Lord is at hand, do not be anxious about anything but in everything by and supplication with thanksgiving let your requests be made to God and the peace of God, which is suprasses all understanding, will guard your hearts and your minds in Christ Jesus. Phillipians 4:5-7.
Notice the 2 areas of peaceful protection we can expect from our Heavenly Father: Our hearts and our minds. God will guard those two parts of us, eighteen inches apart, which seem to conspire against us. If our hearts are troubled, it wont be long before our minds will be in turmoil. If our thoughts are headed in the wrong direction, our hearts will soon follow. But God’s peace,, the assurance of His control, can guard both the heart and mind no matter what we are facing.