What contrast drives baṭīʾ ʿan al-jullā sarīʿ ilā al-khanā?

Ṭarafah: The Camel Incident, Courage, and Self-Worth (Verses 89–97)

• Quick in battle and good deeds
• Eating little and traveling far
• Slow in serious duty but quick to wrongdoing
• Poverty and wealth