What links the final two instructions of al-Sharḥ?

Supplementary Practice 18: Rhetorical Analysis of Sūrat al-Ḍuḥā and Sūrat al-Sharḥ

• Verbatim repetition of one declarative
• Two related directives concerning purposeful effort and directed aspiration
• A statement and its wholly unrelated negation
• Coordination based solely on rhyme