Deuteronomy 34:7 in the King James Version
And Moses was an hundred and twenty years old when he died: his eye was not dim, nor his natural force abated.
Context
6 He buried him in the valley in the land of Moab opposite Beth Peor, but no man knows where his tomb is to this day.
7 Moses was one hundred twenty years old when he died. His eye was not dim, nor his strength gone.
8 The children of Israel wept for Moses in the plains of Moab thirty days, until the days of weeping in the mourning for Moses were ended.