8 Bible Verses about Underestimation

“Then you answered and said to me, ‘We have sinned against the Lord. We will go up and fight, just as the Lord our God has commanded us.’ So you equipped every man with weapons of war, and regarded it as easy to go up into the hill country.

Then they returned to Joshua and said to him, “Do not make all the people go up [to fight]; have only about two thousand or three thousand men go up and attack Ai; do not make the entire army go up there, for they [of Ai] are few.”

“Now therefore, our God, the great, the mighty, and the awesome God, who keeps the covenant and lovingkindness,
Do not let all the hardship seem insignificant before You,
Which has come upon us, our kings, our princes, our priests, our prophets, our fathers and on all Your people,
Since the time of the kings of Assyria to this day.

“For the turning away of the naive will kill them,
And the careless ease of [self-righteous] fools will destroy them.

and you have forgotten the divine word of encouragement which is addressed to you as sons,

“My son, do not make light of the discipline of the Lord,
And do not lose heart and give up when you are corrected by Him;

And they took offense at Him [refusing to believe in Him]. But Jesus said to them, “A prophet is not without honor except in his hometown and in his own household.”

Nathanael answered him, “Can anything good come out of Nazareth?” Philip replied, “Come and see.”

“Then you answered and said to me, ‘We have sinned against the Lord. We will go up and fight, just as the Lord our God has commanded us.’ So you equipped every man with weapons of war, and regarded it as easy to go up into the hill country. But the Lord said to me, ‘Say to them, “Do not go up and do not fight, for I am not among you [because of your rebellion]; otherwise you will be [badly] defeated by your enemies.”’ So I spoke to you, but you would not listen. Instead you rebelled against the command of the Lord, and acted presumptuously and 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 struck you down in Seir as far as Hormah.