We note the singular frequency of that designation in this song, in which it occurs six times. It is also found often in the Psalms. If Moses were the singer, we might see in this often-repeated metaphor a trace of influence of the scenery of the Sinaitic peninsula, which would be doubly striking to eyes accustomed to the alluvial plains of Egypt. What are the aspects of the divine nature set forth by this name?
(1) Firm foundation: the solid eternity of the rock on which we can build.
Petra: faithfulness to promises, unchanging.
(2) Refuge: refuge from the storm'; my rock and my fortress and my high tower.'
(3) Refreshment: rock from which water gushed out; and
(4) Repose: shadow of a great rock'; shadow from the heat.'
Trace the image through Scripture, from this song till Christ's parable of the man who built his house on a rock.'
