hadith
3177
۞
Imam Ali (AS) said, Verily this world is the corruptor of faith and the dispossessor of certitude; it is the source of [all] troubles and root of tribulations.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : إنَّ الدُّنيا لَمُفْسِدَةُ الدّينِ مُسْلِبَةُ اليَقينِ وَ إنَّها لَرَأْسُ الفِتَنِ وَأصْلُ المِحَنِ