Understanding and application

Why does Hadith 183 use لَيْسَ followed by وَلَكِنَّ?

Self-Control, Good Character, and the Incomplete Verb Laysa (Hadith 177–187)

• Declare every wealthy person without faith
• Reject a superficial definition of wealth and affirm inward contentment
• Prohibit earning a living
• Define contentment as counting possessions