Al-Kāfi
Hadith 9366ـ عَنْهُ عَنْ بَعْضِ أَصْحَابِهِ رَفَعَهُ قَالَ قَالَ أَبُو عَبْدِ الله (عَلَيهِ السَّلام) مَا أُعْطِيَ عَبْدٌ مِنَ الدُّنْيَا إِلا اعْتِبَاراً وَمَا زُوِيَ عَنْهُ إِلا اخْتِبَاراً.
6. It is narrated from him (narrator of the Hadith above) from certain individuals of his people in a marfu’ manner from Abu ‘Abdillah (a.s.) who has said the following: “Whatever a servant is given of worldly things is to make him learn a lesson and whatever is withheld from him is to place him under the trial.’”