Etty Hillesum - Philippians 4: 7

Les écrits d'Etty Hillesum. Journaux et lettres 1941-1943 (The writings of Etty Hillesum. Diaries and letters 1941-1943. Complete edition). Paris: Seuil, 2008, 1081 p.

7 And the peace of God, which surpasses all understanding, will guard your hearts and your minds in Christ Jesus.

Letter to Christine Van Nooten. Westerbork, Sunday, August 8, 1943. (extract)
This same "Book of Hours" (Rainer Maria Rilke) is now tucked under my pillow with my little Bible. And it is true: these words of Isaiah are admirable and consoling, they give you a secret inner peace, which surpasses all intelligence.

p. 891