Anger is not sinful, yet the source of one’s anger sometimes does manifest one’s sinful heart. Perhaps the prophet Jonah best demonstrates this truth. When the Lord first approached Jonah about the need in Nineveh, Jonah clearly displayed his displeasure in seeing the Lord work in the lives of the Ninevites. After experiencing the Lord’s chastening, Jonah appeared to have a heart change. Yet, it did not take long before his anger revealed his true feelings and thoughts. As the hearts of the Ninevites were becoming tender toward the Lord, the prophet’s heart was becoming hardened through anger. His anger revealed that he wanted his own will and not God’s.
The Bible says that God is angry every day. Yet, at the same time He may display His anger, the Bible also says that He is love (1 John 4:8), and righteous (Ezra 9:15), and compassionate (Psalm 86:15), and just (Deuteronomy 32:4), and merciful (Deuteronomy 4:31). The source of God’s anger and the means by which He acts upon His anger sets the standard for what is truly a righteous anger. If man’s righteous acts provoked God to anger, this would signify a sinful nature. The Bible is clear that the opposite holds true. God is provoked to anger by sin (1 Kings 16:2), vanity (1 Kings 16:26), and idolatry (1 Kings 22:53). His righteous anger in each case plainly declares God’s righteous nature. The source of His anger sets forth the only sources by which men should become angry.
Our previous studies revealed that the word kind is connected to a term suggesting family relationships. Therefore, today’s passage associating kindly with brotherly love makes perfect sense. The book of Romans instructs believers to be “kindly affectioned one to another.” By being kindly affectioned, believers will naturally exhibit “brotherly love” toward each other. The Bible reveals God as the Christian’s Father. This relationship indicates that each believer is related as a part of the same family, the family of God. How should family members treat other family members? The context of today’s passage reveals that believers should prefer others before themselves (Romans 12:10), distribute to the necessities of other saints (Romans 12:13), and give themselves to hospitality (Romans 12:13). In other words, believers should treat other believers as members of one’s family. As many Christians soon find out, the relationships enjoyed between fellow believers will frequently be closer than those enjoyed with blood relatives.