Psa 91:1-16. David is the most probable author; and the pestilence, mentioned in 2Sa 24:13-15, the most probable of any special occasion to which the Psalm may refer. The changes of person allowable in poetry are here frequently made.
dwelleth in the secret place - (Psa 27:5; Psa 31:20) denotes nearness to God. Such as do so abide or lodge secure from assaults, and can well use the terms of trust in Psa 91:2.