7 Bible Verses about Overconfidence

Then they came back to Joshua and said to him, Do not send all the people up, but let about two or three thousand men go up and make an attack on Ai; there is no need for all the people to be tired with the journey there, for it is only a small town. So about three thousand of the people went up, and were sent in flight by the men of Ai.

Pride goes before destruction, and a stiff spirit before a fall.

But Peter made answer and said to him, Though all may be turned away from you, I will never be turned away. Jesus said to him, Truly I say to you that this night, before the hour of the cock's cry, you will say three times that you have no knowledge of me.

And he comes to the disciples, and sees that they are sleeping, and says to Peter, What, were you not able to keep watch with me one hour?

Truly, because they had no faith they were broken off, and you have your place by reason of your faith. Do not be lifted up in pride, but have fear; For, if God did not have mercy on the natural branches, he will not have mercy on you.

So let him who seems to himself to be safe go in fear of a fall.

For you say, I have wealth, and have got together goods and land, and have need of nothing; and you are not conscious of your sad and unhappy condition, that you are poor and blind and without clothing.