Al-Kāfi

Hadith 213
contentment
6ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنِ الْحَسَنِ بْنِ مَحْبُوبٍ عَنْ عُمَرَ بْنِ أَبَانٍ عَنْ مُدْرِكِ بْنِ أَبِي الْهَزْهَازِ عَنْ أَبِي عَبْدِ الله (عَلَيْهِ السَّلاَم) قَالَ سَمِعْتُهُ يَقُولُ ضَمِنْتُ لِمَنِ اقْتَصَدَ أَنْ لا يَفْتَقِرَ.
6. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from al-Hassan ibn Mahbub from ‘Umar ibn Aban from Mudrik ibn abu al-Hazhaz who has said the following: “I heard abu ‘Abd Allah (a.s.), say, ‘I guarantee safety from poverty in favor of one who observes moderation (in spending).”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī