رِيَاضُ الصَّالِحِينَ
Riyad as-Salihin 480
The Book of Miscellany
Excellence of Leading an Ascetic Life, and Virtues of Simple Life
وَعَنْ كعب بْن عياض، رَضِيَ اللَّهُ عَنْهُ، وَقَالَ سَمِعْتُ رَسُولَ اللَّهِ، صَلَّى اللَّه عَلَيْهِ وَسَلَّمَ ، يَقُولُ: إِنَّ لِكُلِّ أُمَّةٍ فِتْنَةً، وَفِتْنَةُ أمتى الْمَالُ ((رَوَاهُ التِّرْمِذِيُّ وَقَالَ: حَدِيثٌ حَسَن صَحِيح)).
Ka'b bin 'Iyad (May Allah be pleased with him) reported: Messenger of Allah (ﷺ) said, "Verily, there is a Fitnah (trial) for every nation and the trial for my nation (or Ummah) is wealth." [At- Tirmidhi, who classified it as Hadith Hasan Sahih].
Riyad as-Salihin, 480