Al-Kāfi

Hadith 757
oaths-vows
4- عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنْ حَنَانٍ عَنْ فُلَيْحِ بْنِ أَبِي بَكْرٍ الشَّيْبَانِيِّ قَالَ قَالَ أَبُو عَبْدِ اللهِ (عَلَيْهِ السَّلام) الْيَمِينُ الصَّبْرُ الْكَاذِبَةُ تُورِثُ الْعَقِبَ الْفَقْرَ.
4. Ali ibn Ibrahim has narrated from his father from Fianan from Fulayh ibn abu Bakr al-Shaybaniy who has narrated the following: “Abu ‘Abd Allah (a.s.), has said, ‘Taking an oath which is false and binding causes poverty consequently.’”
Source: Shaykh Muḥammad b. Yaʿqūb al-Kulaynī