Here come in the promise and the answer to the cry of Jesus. God the Father had engaged to carry his Anointed safely through all difficulties and discouragements; and here are particularized source of the eminent instances of divine truth and faithfulness.
Related Commentaries of Psalms 91:3
Psalms 91:3-4
3 Surely he shall deliver thee from the snare of the fowler, and from the noisome pestilence.
4 He shall cover thee with his feathers, and under his wings shalt thou trust: his truth shall be thy shield and buckler.