Shared ground
These verses treat fear as a real, admitted experience, not as something the speaker denies or hides. The text’s main movement is clear: fear rises (“when I am afraid”), and the speaker answers it with a chosen posture (“I will trust you”). That trust is then voiced twice “In God,” which functions like a repeated anchor line.
The speaker’s trust is tied to God’s “word” (Hebrew dabar), presented as something stable enough to praise. The ending question (“What can flesh do to me?”) does not claim humans are harmless; it frames human power as limited when set against God.
Where interpretation differs (only where needed)
Some readers take “when I am afraid” as a general pattern—whenever fear comes, trust is the response. Others read it as pointing to a specific crisis moment (“in the day I was afraid”), especially given the psalm’s setting in immediate danger. Both readings preserve the same basic logic: fear is met by trust.
“His word” is also read in more than one way. It can mean a specific promise God gave (a particular assurance), or more broadly God’s spoken message—what God has said and is known to say. Either way, the text links praise to confidence in what God has spoken.
“Flesh” can be heard as “human beings in general” or “the immediate oppressors.” In both cases it highlights human limitations in contrast to God.
Why the disagreement exists
The Hebrew expression behind “when” can also be rendered “in the day,” which naturally sounds more like a particular episode than a timeless habit. Also, dabar (“word”) can refer to a single promise, a report, or a broader body of spoken assurance, so interpreters must decide whether the context implies something specific or general.
What this passage clearly contributes
Explicitly, the passage shows a sequence: fear is acknowledged, trust is chosen, praise is voiced in connection with God’s word, and fear is resisted because God is greater than human threat. By inference, it also portrays trust not only as an inner feeling but as something expressed through repeated focus (“In God”) and through speech (praising God’s word). The text contributes a God-centered way of evaluating danger: human beings (“flesh”) can threaten, but they are not ultimate.