their silver and their gold shall not be able to deliver them, in the day of Jehovah's wrath; but the whole land shall be devoured by the fire of his jealousy: for a full end, yea, a sudden [end], shall he make of all them that dwell in the land.
Zephaniah 1:16 a day of the trumpet and alarm, against the fenced cities and against the high battlements.
Zephaniah 1:17 And I will bring distress upon men, and they shall walk like blind men; for they have sinned against Jehovah; and their blood shall be poured out as dust, and their flesh as dung:
Zephaniah 1:18 their silver and their gold shall not be able to deliver them, in the day of Jehovah's wrath; but the whole land shall be devoured by the fire of his jealousy: for a full end, yea, a sudden [end], shall he make of all them that dwell in the land.
The verse centers on "silver", "gold", "shall", "able", "deliver", "jehovah's", "wrath", and "whole". It is saying that the verse draws attention to "silver" and "gold", so its meaning should be read from those terms before moving to application.
The prior verse says "And I will bring distress upon men...", giving immediate footing for "silver" and "gold". In Zephaniah context, the local focus is covenant, worship, and faithfulness.
A plain takeaway is to answer the verse's own emphasis on "silver" and "gold" with trust shaped by these words, not by a vague optimism outside the passage.