Church discipline has commonly taken place under one of two extremes. It is either nonexistent or overused. Church discipline, however, is intended to be one of God’s methods of chastening. Before weak and unscriptural churches became so prevalent, those disciplined by one body of believers would not be readily accepted into another congregation while in a state of rebellion. Issues had to be settled and hearts made right. People had to repent and seek restoration. Discipline was implemented not only for the purity of the body, but also so that those who had gone astray might repent and find true restoration amongst the body. God used this chastening to purify saints and churches alike.
A zealous person is contagious, both positively and negatively. The apostle Paul cautioned that the early believers had been zealously affected, but not in a good way. Those who opposed the gospel were adamant, yet they unwisely waged war against the truth. Night and day, they zealously fought in order to hinder the ministry of the believers. Ultimately, their zeal affected the people of God. These believers who started strong were hindered by the enemies' efforts to the point that it affected their race for the Lord (Galatians 5:7). Modern day enemies of the gospel are aware of this potential pitfall for the believers. They often display more zeal than those who knowingly possess the truth. Yet, today's passage also teaches that “it is good to be zealously affected always in a good thing.” Zeal breeds zeal. Zeal in righteousness will yield righteous results.