What does Psalm 91:10 mean?

When God has determined to protect someone, nothing can overcome that safety. This is an expression of pure trust and faith in the Lord, who calls on all people to come under His protection and security (Matthew 23:37; Psalm 91:1–2). It's important to note that the Bible does not promise a perfectly safe, easy life to those who believe in the Lord. On the contrary, other psalms acknowledge that hardship is a part of normal life (Psalm 3:1–2; 73:2–3). Jesus specifically countered Satan's attempt to misuse this very psalm (Psalm 91:11–12; Matthew 4:5–7).

Believers experience suffering as they travel through this sin-cursed world (John 16:33), but they do not experience any trial that God does not allow for their eternal good and His glory (Romans 8:28). Job was a righteous man who underwent severe trials, but the Lord intended them for a purpose. Satan had accused Job of trusting in God because God prospered Job, but the trials proved Satan wrong. Comparing Job chapter 1 to chapter 42, we see God blessed him with twice what he possessed before he had lost during the trials.