To lay a treasure in the dust is to treat it as unimportant. Alternate translation: "Consider your riches as unimportant as dust" (See: [[rc://en/ta/man/translate/figs-idiom]])
To put gold in the stream is to treat it as no more valuable than stones. Alternate translation: "the gold of Ophir is as worthless as stones in a stream" (See: [[rc://en/ta/man/translate/figs-idiom]])