"I pray the Lord that you may understand this subject in its length and breadth and depth, and that you may feel your responsibility to represent the character of Christ by patience, by courage, and by steadfast integrity. “And the peace of God, which passeth all understanding, shall guard your hearts and your thoughts in Christ Jesus.” Philippians 4:7 , R. V. 6T 320.2"
"And the peace of God, which passeth all understanding, shall keep your hearts and minds through Christ Jesus."
Ellen White directly references Philippians 4:7 in this passage.