After a time working in the railways, Bapak worked in the bookkeeping section of the city of Semarang. This was his employment at the time when he received his great revelation while walking at night near the new Semarang hospital.

As well as working at bookkeeping during the day, Bapak liked to study at night, and it was after one such study session, that he went to walk by the hospital and received his revelation.

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