In Deuteronomy 1:38, Moses is earlier commanded to encourage Joshua, who will enter the land — the same charge repeated here.

In Deuteronomy 31:3, God confirms Joshua will lead the people over, echoing the promise here.

In Deuteronomy 31:7, Moses obeys this command by publicly encouraging Joshua.

In Deuteronomy 31:23, God Himself commissions Joshua with the same charge, reinforcing this command.

In Numbers 27:18-23, Moses originally commissioned Joshua by laying on hands — the event that necessitates this later command.

Joshua 1:2 directly fulfills Moses' command: God tells Joshua to arise and cross the Jordan into the land he was commissioned to inherit.

Joshua 3:7-17 shows Joshua leading Israel across the Jordan, the very task Moses commissioned him to accomplish.

In 1 Chronicles 28:20, David uses the exact phrase 'be strong and of good courage' as in Joshua's commission — a direct verbal parallel.

Numbers 27:23 records the actual commissioning of Joshua by laying on of hands, fulfilling the command here.

Hebrews 4:8 notes that Joshua's rest was not final, offering a theological reflection on his leadership and pointing to a greater rest.