Nahj al-Balāgha
Hadith 2201٣٤٠. وَقَالَ (عليه السلام): الْعَفَافُ زِينَةُ الْفَقْرِ، وَالشُّكْرُ زِينَةُ الْغِنَى.
340. Amīr al-mu’minīn, peace be upon him, said: The beauty of destitution is chastity and the beauty of riches is gratefulness.