The Bible points to the unsaved man as an enemy of God (Romans 5:10). Fortunately, those who have trusted Christ as Saviour have been reconciled to God through the blood of Jesus Christ (Romans 5:10; 2 Corinthians 5:18). This reconciliation transforms the enemies of God into His ambassadors (2 Corinthians 5:20). What a wonderful salvation! But there is more! The Lord Jesus has given the ministry of reconciliation to all those who have been reconciled. As such, we are to submit ourselves to the work of telling others how they too can be reconciled to God. Paul understood this and declared that he was a “debtor both to the Greeks, and to the Barbarians; both to the wise, and to the unwise” (Romans 1:14).
The Bible says that “out of the abundance of the heart the mouth speaketh” (Matthew 12:34). This means that the words proceeding out of our mouths originate in our hearts. When we speak bitter words, it is because there is bitterness within our hearts. David likened bitter words to arrows that pierce the flesh (Psalm 64:3). Our words ought to be “seasoned with salt” (Colossians 4:6); instead, we often allow our words to pierce through others. We tear people down rather than building them up. Why is this? Because we have a root of bitterness growing inside that finds its way from our hearts into and out of our mouths. Those who demean others generally do so because they are bitter. Attempts to justify this behaviour are fruitless because the Lord knows the root of the problem stems from our heart.