This can be stated in positive form. Alternate translation: "everything about him was as it should be" (See: [[rc://en/ta/man/translate/figs-doublenegatives]])
To think differently about a situation is spoken of as if a person is changing his mind. Alternate translation: "they thought again" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Perhaps the people believed that someone who lived after a poisonous snake bite was divine or a god. This can be stated as a direct quotation. Alternate translation: "said, 'This man must be a god.'" (See: [[rc://en/ta/man/translate/figs-quotations]])