At the time of marching towards Syria
Nahj al-Balāgha|Volume 1|Book 1|Chapter 48
الْحَمْدُ للهِ كُلَّمَا وَقَبَ لَيْلٌ وَغَسَقَ، وَالْحَمْدُ للهِ كُلَّمَا لاَحَ نَجْمٌ وَخَفَقَ، والْحَمْدُ للهِ غَيْرَ مَفْقُودِ الاْنْعَام، وَلاَ مُكَافَاَ الاْفْضَالِ.
Praise is due to Allāh when night spreads and darkens, and praise be to Allāh whenever the star shines and sets. And praise be to Allāh whose bounty never misses and whose favours cannot be repaid.