Contradiction with Numbers 13:33
This verse states that the spies felt like grasshoppers compared to the giants, which contradicts the positive report in Deuteronomy 1:24 where the spies viewed the land.
Numbers 13:33: And there we saw the giants, the sons of Anak, [which come] of the giants: and we were in our own sight as grasshoppers, and so we were in their sight.
Contradiction with Numbers 13:32
The spies brought an evil report, saying the land eats its inhabitants, contrary to Deuteronomy 1:24's indication of a positive view from the spies.
Numbers 13:32: And they brought up an evil report of the land which they had searched unto the children of Israel, saying, The land, through which we have gone to search it, [is] a land that eateth up the inhabitants thereof; and all the people that we saw in it [are] men of a great stature. [men...: Heb. men of statures]
Contradiction with Deuteronomy 1:28
This verse expresses fear of the inhabitants being greater and taller, contradicting the composed exploration suggested in Deuteronomy 1:24.
Deuteronomy 1:28: Whither shall we go up? our brethren have discouraged our heart, saying, The people [is] greater and taller than we; the cities [are] great and walled up to heaven; and moreover we have seen the sons of the Anakims there. [discouraged: Heb. melted]
Contradiction with Deuteronomy 9:1-2
It describes the people as greater and taller, creating a contradiction with the suggested favorable exploration in Deuteronomy 1:24.
Deuteronomy 9:1-2: Hear, O Israel: Thou [art] to pass over Jordan this day, to go in to possess nations greater and mightier than thyself, cities great and fenced up to heaven,