Page "Zadig" Paragraph 21

" It is in the third chapter of this tale that the hero after which it is named takes up the study of nature to console himself for his marital troubles and uses the observation of natural facts to infer events he has not seen.

However implausible and " agrarian " his method, he is the first systematic detective in modern literature, and that priority itself adds to his troubles in the story until his royal vindication.