In his book The Early Centuries of the Church, Jean Bernardi wrote: “[Christians] were to go out and speak everywhere and to everyone.
Dalam bukunya Les Premiers Siècles de L’Église (Gereja pada Abad - Abad Permulaan), Jean Bernardi menulis, ” [Umat Kristen] harus pergi dan berbicara di mana saja dan kepada siapa saja.