Imagine... — Or, contrive, plot.
Gathered together. — This translation follows the analogy of Psalms 56:6. Others render, “dwell with wars.” But it is preferable to derive from a root meaning to incite: “They are continually stirring up wars.” It is the situation described in Psalms 120:7 and frequently; Israel would be at peace, but within and without are those ever trying to involve her in troubles.