One thing he kept steadfastly before him in all his work—to be faithful to Christ, who, when he was blaspheming His name and using every means in his power to make others blaspheme it, had revealed Himself to him. The one great purpose of his life was to serve and honor Him whose name had once filled him with contempt. His one desire was to win souls to the Saviour. Jew and Gentile might oppose and persecute him, but nothing could turn him from his purpose (Letter 107, 1904).{7BC 905.16}

13. Denne ene ting gør jeg. - Paulus' kald drog ham til tjeneste af forskellig slags: arbejde med sine hænder for at tjene til sit liv, rejse fra sted til sted, oprette menigheder, skrive breve til de menigheder er allerede var oprettet. Alligevel erklærede han midt i alle disse forskellige slags arbejdsopgaver: "Dette er det eneste jeg kan gøre."