What interpretive caution is needed for “fī nafsī ... fī nafsik”?

Murāʿāt al-Naẓīr, Corresponding Endings, Irṣād and Mushākalah

• Rely solely on grammatical pronoun matching
• Do not infer identical creaturely implications from repeated wording
• Assume complete identity of both predications
• Treat the repetition as unrelated to the rest of the verse