Marked by God: The Call of the 144,000 In the final book of Scripture, a mysterious group emerges from the pages of prophecy—the 144,000. Sealed by God, marked with His name, and set apart in purity and obedience, they stand as a testimony in the midst of the last days. But who are they really? What is their purpose? And what does their calling reveal about God’s heart for His people today? In Marked by God , R.T. Martin takes the reader on a careful, Scripture-centered journey through the visions of the Book of Revelation, uncovering the themes of sealing, faithfulness, obedience, and endurance. From Revelation 7 to Revelation 14, each chapter draws the reader deeper into the call to live a life fully aligned with God. This is not merely a study of prophecy—it is a call to transformation. As confusion increases and truth becomes more contested, this book points back to the unchanging standard of God’s Word and the life of the Messiah, Yeshua. It challenges readers to consider not only what the 144,000 represent, but what their example means for those seeking to walk faithfully today. Whether the reader approaches Revelation with curiosity, caution, or conviction, Marked by God invites them to see beyond speculation and into the heart of discipleship: A people sealed by God… a life shaped by obedience… and a call that still echoes today. Are we ready to be found faithful?