8 Bible Verses about Underestimation

"Then you answered me, 'We have sinned against the LORD. We ourselves will go up and fight, just as the LORD our God commanded us.' And every one of you fastened on his weapons of war and thought it easy to go up into the hill country.

And they returned to Joshua and said to him, "Do not have all the people go up, but let about two or three thousand men go up and attack Ai. Do not make the whole people toil up there, for they are few."

"Now, therefore, our God, the great, the mighty, and the awesome God, who keeps covenant and steadfast love, let not all the hardship seem little to you that has come upon us, upon our kings, our princes, our priests, our prophets, our fathers, and all your people, since the time of the kings of Assyria until this day.

For the simple are killed by their turning away, and the complacency of fools destroys them;

And have you forgotten the exhortation that addresses you as sons? "My son, do not regard lightly the discipline of the Lord, nor be weary when reproved by him.

And they took offense at him. But Jesus said to them, "A prophet is not without honor except in his hometown and in his own household."

Nathanael said to him, "Can anything good come out of Nazareth?" Philip said to him, "Come and see."

"Then you answered me, 'We have sinned against the LORD. We ourselves will go up and fight, just as the LORD our God commanded us.' And every one of you fastened on his weapons of war and thought it easy to go up into the hill country. And the LORD said to me, 'Say to them, Do not go up or fight, for I am not in your midst, lest you be defeated before your enemies.' So I spoke to you, and you would not listen; but you rebelled against the command of the LORD and presumptuously went up into the hill country.read more.
Then the Amorites who lived in that hill country came out against you and chased you as bees do and beat you down in Seir as far as Hormah.