Contradiction with Jeremiah 17:5
This verse states, "Cursed be the man that trusteth in man," which contradicts Deuteronomy 3:21's encouragement to trust in Joshua's leadership and strength in battle.
Jeremiah 17:5: Thus saith the LORD; Cursed [be] the man that trusteth in man, and maketh flesh his arm, and whose heart departeth from the LORD.
Contradiction with Psalm 146:3
This verse advises not to "put your trust in princes, nor in the son of man," conflicting with the instruction to rely on Joshua as a leader in Deuteronomy 3:21.
Psalm 146:3: Put not your trust in princes, [nor] in the son of man, in whom [there is] no help. [help: or, salvation]
Contradiction with Ecclesiastes 9:11
This verse suggests that time and chance happen to all, downplaying human strength and effort, which contrasts with the assurance of victory through human leadership in Deuteronomy 3:21.
Ecclesiastes 9:11: I returned, and saw under the sun, that the race [is] not to the swift, nor the battle to the strong, neither yet bread to the wise, nor yet riches to men of understanding, nor yet favour to men of skill; but time and chance happeneth to them all.
Contradiction with Isaiah 31:1
Warns against reliance on human strength and military might, which can contradict the encouragement to depend on Joshua’s military leadership in Deuteronomy 3:21.
Isaiah 31:1: Woe to them that go down to Egypt for help; and stay on horses, and trust in chariots, because [they are] many; and in horsemen, because they are very strong; but they look not unto the Holy One of Israel, neither seek the LORD!
Contradiction with 1 Corinthians 1:27
States that God chooses the weak things of the world, suggesting that strength and might are not the ultimate sources of victory, contrary to the implication in Deuteronomy 3:21.
1 Corinthians 1:27: But God hath chosen the foolish things of the world to confound the wise; and God hath chosen the weak things of the world to confound the things which are mighty;