Deuteronomy 1:41

"You replied and said to me, 'We have sinned against Yahweh, [and now] we will go up and fight according to all that Yahweh our God commanded us'; and [so] each man fastened on {his battle gear}, and you regarded [it] as easy to go up [into] the hill country.

Numbers 14:39-45

And Moses spoke words to all the {Israelites}, and the people mourned greatly.

Numbers 22:34

Balaam said to the angel of Yahweh, "I have sinned because I did not know that you [were] standing to meet me in the road. Now, {if it is displeasing to you}, I will turn back."

Proverbs 19:3

As for the folly of humankind, its way leads to ruin, and against Yahweh his heart will rage.

Treasury of Scripture Knowledge

Summary

Then ye answered and said unto me, We have sinned against the LORD, we will go up and fight, according to all that the LORD our God commanded us. And when ye had girded on every man his weapons of war, ye were ready to go up into the hill.

Bible References

We have sinned

Numbers 14:39
And Moses spoke words to all the {Israelites}, and the people mourned greatly.
Numbers 22:34
Balaam said to the angel of Yahweh, "I have sinned because I did not know that you [were] standing to meet me in the road. Now, {if it is displeasing to you}, I will turn back."
Proverbs 19:3
As for the folly of humankind, its way leads to ruin, and against Yahweh his heart will rage.