قَالَ جَابِرٌ رضي الله عنه: (كُنَّا إِذَا صَعَدْنَا كَبَّرْنَا، وَإِذَا نَزَلْنَا سَبَّحْنَا)

Jabir (ra), said: Whenever we went up a hill we would say Allāhu Akbar (Allah is the Most Great) and when we descended we would say Subḥānallāh (Glory is to Allah).