small number - (see on Jer 44:14; and Jer 42:17; Isa 27:13); compare “all-consumed” (Jer 44:27). A band easily counted, whereas they were expecting to return triumphantly in large numbers.
shall know - most of them experimentally, and to their cost.
whose words ... mine, or theirs - Hebrew, “that from Me and them.” Jehovah’s words are His threats of destruction to the Jews; theirs, the assertion that they expected all goods from their gods (Jer 44:17), etc. “Mine”; by which I predict ruin to them. “Theirs”; by which they give themselves free scope in iniquity.