Psalm 91 has been described as a wonderful Psalmthathasbeenasourceofcomfortandfaithdevelopmenttomanywhohavefacedphysicalandspiritualchallengesprevalentinourcontemporarycircumstances.IthasthedistinctionofbeingmisquotedbySatanduringJesus’temptationinMatthew4:6andLuke4:10-11.JesusChristalsousedthisPsalmtostrengthenhisdisciplesinspiritualwarfare in Luke 10:19. This paper has done a textual analysisof this Psalm with an attempt to unveil its language, structuraland grammatical richness. The paper has also considered therelevanceofthisPsalmtothebeliefsystemoftheYorubapeopleofsouthwesternpartofNigeria.ThiswillenabletheYorubareadertopossessabetterunderstandingofthePsalm.Thestudyhasadoptedexegetical,theological,andsocio-historical approaches.