What does it mean to be a holy nation according to the Bible?

In 1 Peter 2:9, believers are identified as a 'holy nation,' which indicates that they are distinct from the world and set apart for God's purposes. This concept of holiness signifies not only moral purity and righteousness but also a state of being consecrated to God. The call to be a holy nation is echoed in Leviticus 20:26, where God commands His people to be holy because He is holy. Being a holy nation involves living in such a way that reflects God's character to those around us, demonstrating love, justice, and truth. It also means being united in purpose and commitment to God's kingdom, collectively participating in the work of proclaiming the gospel and advancing His glory.