practice of false worship. Forms of idolatry, however, can be material and external as well as spiritual and internal. The penalty or sanction for this commandment comes with the magisterial reminder that God is a jealous, zealous God who demands exclusive worship (5:9). His anger is roused by all that opposes the good, right, fair, and just, rather than by envy or a spirit of getting even; it is an emotion roused by evil and sin to take up the cause of righteousness. Often children repeat the sins