It need not be assumed that these words constituted the entire text of Jonah’s message. They were, however, the dominant theme of his warning.
A day’s journey.
We need not infer from this statement that Jonah walked for an entire day before beginning his preaching. The statement is probably a record of the first day’s preaching. Soon after entering the city Jonah doubtless began his message of warning.
Overthrown.
Heb. haphak, the word used in Gen. 19:21, 25, 29 to describe the destruction of Sodom.