Contradiction with Genesis 12:1
Contradicts as it shows God commanding Abram to go to a land He will show him, while Numbers 32:8 involves the refusal to enter the land God promised.
Genesis 12:1: Now the LORD had said unto Abram, Get thee out of thy country, and from thy kindred, and from thy father's house, unto a land that I will shew thee:
Contradiction with Joshua 1:9
Contradicts by encouraging strength and courage in God’s command, whereas Numbers 32:8 reflects discouragement and reluctance.
Joshua 1:9: Have not I commanded thee? Be strong and of a good courage; be not afraid, neither be thou dismayed: for the LORD thy God [is] with thee whithersoever thou goest.
Contradiction with Deuteronomy 1:21
Urges not to fear or be discouraged entering the promised land, contradicting the discouragement shown in Numbers 32:8.
Deuteronomy 1:21: Behold, the LORD thy God hath set the land before thee: go up [and] possess [it], as the LORD God of thy fathers hath said unto thee; fear not, neither be discouraged.
Contradiction with Hebrews 11:8
Relates faith and obedience to God's call to go, which is the opposite of the disobedience in Numbers 32:8.
Hebrews 11:8: By faith Abraham, when he was called to go out into a place which he should after receive for an inheritance, obeyed; and he went out, not knowing whither he went.
Contradiction with Numbers 14:9
Advocates not fearing the people of the land, in opposition to the fear reflected in Numbers 32:8.
Numbers 14:9: Only rebel not ye against the LORD, neither fear ye the people of the land; for they [are] bread for us: their defence is departed from them, and the LORD [is] with us: fear them not. [defence: Heb. shadow]