hadith
7923
۞
Imam Ali (AS) said, It is upon you to preserve every matter that you cannot be excused for neglecting.
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : عَلَيْكَ بِحِفْظِ كُلِّ أمْر لاتُعْذَرُ بِإضاعَتِهِ