17. The words of wise, &c.—Though generally the poor wise man is not heard (Ec 9:16), yet "the words of wise men, when heard in quiet (when calmly given heed to, as in Ec 9:15), are more serviceable than," &c.
ruleth—as the "great king" (Ec 9:14). Solomon reverts to "the rulers to their own hurt" (Ec 8:9).