Ecclesiastes 7:25

I set my mind to try to seek wisdom and the plan, and to know that wickedness [is] foolishness and that folly [is] delusion.

Ecclesiastes 10:13

He begins by saying what is foolish and ends by uttering what is wicked delusion.

Genesis 34:7

And the sons of Jacob came in from the field when they heard [it]. And the men were distressed and very angry because he had done a disgraceful thing in Israel by having sexual relations with the daughter of Jacob--{something that} should not be done.

Joshua 7:13

Get up, sanctify the people, and say, 'Sanctify yourselves for tomorrow. Thus says Yahweh the God of Israel: "[There are] devoted things in your midst, O Israel. You will be unable to stand before you enemies until you remove the devoted things from your midst."

2 Samuel 13:12

Then Tamar said to him, "No, my brother! Do not force me, for such a thing has not been done in Israel. Do not do this disgraceful thing!

Proverbs 17:12

[May] a man meet a she-bear robbed of offspring and not a fool in his folly.

Proverbs 26:11

Like a dog returning to his vomit [is] a fool reverting to his folly.

Ecclesiastes 1:13-17

I applied my mind to seek and to search by wisdom all that is done under the heavens. It [is] a grievous task God has given to {humans}.

Ecclesiastes 2:1-3

I said {to myself}, "Come! I will test pleasure {to see whether it is worthwhile}." But look, "This also [is] vanity!"

Ecclesiastes 2:12

Next, I considered wisdom, as well as delusion and folly. What can anyone [do] who will come after the king that has not already been done?

Ecclesiastes 2:15

So I said {to myself}, "{If I also suffer the same fate as the fool}, {what advantage is my great wisdom}?" So I said {to myself}, "This also [is] vanity!"

Ecclesiastes 2:20

So {I began to despair} of all the toil with which I toiled under the sun.

Ecclesiastes 3:16-17

I saw something else under the sun: instead of justice [there was] evil; instead of righteousness [there was] wickedness.

Ecclesiastes 7:27

"Look! I found this," said the Teacher, "while trying to find how the plan fits together.

Ecclesiastes 9:1-3

So all this I laid to my heart, and I concluded that the righteous and the wise, as well as their deeds, [are] in the hand of God. So no one knows anything that will [come] to them, whether [it will be] love or hatred.

Jeremiah 12:1-2

You [will be] in the right, Yahweh, when I complain to you. Even so, let me speak [my] claims with you. Why does [the] way of [the] wicked succeed? All those who deal treacherously with treachery are at ease.

2 Peter 2:3-9

And in greediness they will exploit you with false words, whose condemnation [from] long ago is not idle, and their destruction is not asleep.

2 Peter 3:3-9

above all knowing this, that in the last days scoffers will come with scoffing, following according to their own desires

Treasury of Scripture Knowledge

Summary

I applied mine heart to know, and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness and madness:

I applied mine heart

General references

Bible References

I applied mine heart

Ecclesiastes 1:13
I applied my mind to seek and to search by wisdom all that is done under the heavens. It [is] a grievous task God has given to {humans}.
Ecclesiastes 2:1
I said {to myself}, "Come! I will test pleasure {to see whether it is worthwhile}." But look, "This also [is] vanity!"

The reason

Ecclesiastes 7:27
"Look! I found this," said the Teacher, "while trying to find how the plan fits together.
Ecclesiastes 3:16
I saw something else under the sun: instead of justice [there was] evil; instead of righteousness [there was] wickedness.
Ecclesiastes 9:1
So all this I laid to my heart, and I concluded that the righteous and the wise, as well as their deeds, [are] in the hand of God. So no one knows anything that will [come] to them, whether [it will be] love or hatred.
Jeremiah 12:1
You [will be] in the right, Yahweh, when I complain to you. Even so, let me speak [my] claims with you. Why does [the] way of [the] wicked succeed? All those who deal treacherously with treachery are at ease.
2 Peter 2:3
And in greediness they will exploit you with false words, whose condemnation [from] long ago is not idle, and their destruction is not asleep.
2 Peter 3:3
above all knowing this, that in the last days scoffers will come with scoffing, following according to their own desires

Know

Ecclesiastes 9:3
This [is] the {injustice} that is done under the sun: the same fate [comes] to everyone. Also the hearts of {humans} are full [of] evil; delusion [is] in their hearts during their lives, and then they die.
Ecclesiastes 10:13
He begins by saying what is foolish and ends by uttering what is wicked delusion.
Genesis 34:7
And the sons of Jacob came in from the field when they heard [it]. And the men were distressed and very angry because he had done a disgraceful thing in Israel by having sexual relations with the daughter of Jacob--{something that} should not be done.
Joshua 7:13
Get up, sanctify the people, and say, 'Sanctify yourselves for tomorrow. Thus says Yahweh the God of Israel: "[There are] devoted things in your midst, O Israel. You will be unable to stand before you enemies until you remove the devoted things from your midst."
2 Samuel 13:12
Then Tamar said to him, "No, my brother! Do not force me, for such a thing has not been done in Israel. Do not do this disgraceful thing!
Proverbs 17:12
[May] a man meet a she-bear robbed of offspring and not a fool in his folly.
Proverbs 26:11
Like a dog returning to his vomit [is] a fool reverting to his folly.

General references

Job 28:12
"But from where will wisdom be found? And {where in the world} [is the] place of understanding?