What does the Bible say about righteousness, peace, and joy?

According to Romans 14:17, the kingdom of God is not defined by external practices such as dietary laws, but rather by righteousness, peace, and joy in the Holy Spirit. These three elements are interconnected—the righteousness that comes through faith in Christ leads to peace with God, which in turn produces joy in the believer's heart. This understanding underscores that true spiritual life is not found in moral efforts or ritual observances but in a relationship with Jesus, who fulfills all righteousness for us.

Righteousness is a gift from God, granted through faith in Jesus Christ, and stands apart from our works or moral achievements. Romans 1:17 emphasizes that righteousness is revealed in the Gospel, and Romans 4:5 states that it is credited to those who believe in Him who justifies the ungodly. As we recognize our inability to attain righteousness on our own, we find that peace with God is achieved through Jesus’ sacrificial work, as told in Romans 5:1. This peace allows believers to experience true joy, as described in Romans 15:13, filled with joy and peace in believing.