Contradiction with 1 Kings 19:3-4
Elijah, despite being a prophet, was afraid for his life and fled, contradicting the command to be strong and of good courage in Joshua 1:9.
1 Kings 19:3-4: And when he saw [that], he arose, and went for his life, and came to Beersheba, which [belongeth] to Judah, and left his servant there.
Contradiction with Psalm 55:5
The Psalmist describes fearfulness and trembling, a contrast to the call to be not afraid or dismayed in Joshua 1:9.
Psalm 55:5: Fearfulness and trembling are come upon me, and horror hath overwhelmed me. [overwhelmed: Heb. covered]
Contradiction with Matthew 26:56
The disciples forsook Jesus and fled, showing fear and abandonment, contrary to the instruction for courage in Joshua 1:9.
Matthew 26:56: And they that had laid hold on Jesus led [him] away to Caiaphas the high priest, where the scribes and the elders were assembled.
Contradiction with Mark 14:50-52
Jesus' followers deserted him and fled in fear, opposing the exhortation to stand firm and fearless in Joshua 1:9.
Mark 14:50-52: And they all forsook him, and fled.
Contradiction with Jonah 1:3
Jonah fled from God's command out of fear, contradicting the directive to have courage and not be dismayed in Joshua 1:9.
Jonah 1:3: But Jonah rose up to flee unto Tarshish from the presence of the LORD, and went down to Joppa; and he found a ship going to Tarshish: so he paid the fare thereof, and went down into it, to go with them unto Tarshish from the presence of the LORD.