hadith
9148
۞
Imam Ali (AS) said, The succession of the night and day is the hiding place of calamities and the herald of separation [from loved ones].
الإمامُ عليٌّ (عَلَيهِ الّسَلامُ) : كُرُورُ اللَّيلِ وَ النَّهارِ مَكْمَنُ الآفاتِ وَ داعِى الشَّتاتِ