A frequent misinterpretation views this as a standalone motivational slogan for personal bravery in any adversity, ignoring its specific context of covenantal leadership transition and God's promise-keeping. Some reduce it to individual self-reliance, overlooking the communal mission and dependence on Yahweh's oath to the fathers, or assume it promises effortless success without the accompanying calls to obedience and faithfulness that frame the chapter, potentially leading to presumptuous applications outside biblical obedience.
Deuteronomy 31:7
King James Version (1769)
7 And Moses called unto Joshua, and said unto him in the sight of all Israel, Be strong and of a good courage: for thou must go with this people unto the land which the Lord hath sworn unto their fathers to give them; and thou shalt cause them to inherit it.
In this passage, Moses publicly commissions Joshua as his successor before all Israel, charging him to be strong and courageous because he will lead the people into the Promised Land that God swore to their ancestors. It underscores God's unwavering faithfulness to His covenant promises, emphasizing that Joshua's role is to guide Israel in possessing the inheritance, relying on divine empowerment rather than human strength, and establishing a model of bold, obedient leadership in fulfilling God's redemptive plan.