What does the Bible say about God's kingdom?

God's kingdom is depicted throughout scripture as a certain and unshakeable reality. As seen in Zechariah 8, God declares His commitment to His people and their restoration. This assurance highlights the encouragement that believers have to press on amid trials and tribulations, rooting their hope in the accomplished work of Christ. Verses like Romans 15:4 emphasize that the events recorded in scripture are meant for our learning and comfort, demonstrating that God's promises concerning His kingdom's triumph are sure.