Ezra 4:22

Take heed now that ye fail not to do this R.V. And take heed that ye be not slack herein. The king does not anticipate their disobedience, but warns against remissness or dilatoriness on the part of officials. The decrees of the Government were apparently not always executed with promptness in Syria even in the days of Artaxerxes. This fault is said to be not wholly eradicated yet.

why should damage&c. The king's fears had been excited by the possibility of political complications and the weakening of his Western frontier. These apprehensions are intelligible in the light of the events of the great Persian War during the reign of Xerxes. Otherwise they seem exaggerated and insincere, as if the Samaritan letter had been accompanied by some substantial arguments which had won the king's appreciation.