Deuteronomy 34:12 from the King James Version (KJV) reads, "And in all that mighty hand, and in all that great terror which Moses shewed in the sight of all Israel."

This verse is the conclusion of the book of Deuteronomy, the fifth book of the Bible, and serves as the epilogue to the life of Moses. It recounts his tremendous power and the awe-inspiring sight that he presented to the people of Israel. The context of this verse lies in the final chapter of Deuteronomy, where Moses climbs Mount Nebo and is shown the Promised Land by God before passing away. The preceding verses describe the death and burial of Moses and the mourning of the people for thirty days. In verse 10, the author also comments that there had been no other prophet in Israel like Moses, whom God knew face to face.

The entire book of Deuteronomy is structured as a series of speeches given by Moses to the Israelites as they prepare to enter the Promised Land. In these speeches, he reiterates the laws and commandments given by God, reminding the people of their covenant with God and the consequences of obedience or disobedience. Deuteronomy can be seen as a farewell address by Moses, as he will not be entering the Promised Land with the Israelites. As such, it is fitting that the book concludes with a reflection on the mighty hand and great terror that Moses showed to the people.

The themes in this verse and in the book of Deuteronomy as a whole include obedience to God, the authority of God's law, and the importance of faithfulness in the covenant. Throughout the book, Moses highlights the importance of the Israelites following the commandments of God and the severe consequences that will result from disobedience. This theme continues in the final chapter as Moses' death serves as a somber reminder of the consequences of failing to uphold the covenant.

The verse also serves as a reflection on the power and authority of Moses as a leader in Israel. The phrase "mighty hand" is used throughout the book of Deuteronomy to describe the power of God and Moses. In this context, it is a reminder of the miraculous signs and wonders that God performed through Moses to demonstrate His authority and to secure the freedom of the Israelites. The "great terror" could refer to the fear and awe that Moses inspired in the people, as well as the fear of God's judgment and the consequences of disobedience.

Symbolically, the verse can be seen as a reflection on the legacy of Moses and the impact of his leadership on the Israelites. His powerful displays and faithful adherence to God's commands are a testament to his devotion and obedience. It also serves as a reminder of the importance of strong leadership in guiding the people and upholding the covenant with God.

In conclusion, Deuteronomy 34:12 serves as a powerful conclusion to the book of Deuteronomy, reflecting on the authority and leadership of Moses, the obedience and faithfulness required by the covenant, and the consequences of disobedience. It encapsulates the central themes of the book and leaves the reader with a solemn reflection on the enduring legacy of Moses and the importance of upholding the covenant with God.