James Strong - Słownik Języka Hebrajskiego

And I gave my heart to know wisdom, and to know madness and folly:^H5531 I perceived that this also is vexation of spirit.
KJV Koh 1:17

I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly,^H5531 till I might see what was that good for the sons of men, which they should do under the heaven all the days of their life.
KJV Koh 2:3

And I turned myself to behold wisdom, and madness, and folly:^H5531 for what can the man do that cometh after the king? even that which hath been already done.
KJV Koh 2:12

Then I saw that wisdom excelleth folly,^H5531 as far as light excelleth darkness.
KJV Koh 2:13

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^H5531 and madness:
KJV Koh 7:25

Dead flies cause the ointment of the apothecary to send forth a stinking savour: so doth a little folly^H5531 him that is in reputation for wisdom and honour.
KJV Koh 10:1

The beginning of the words of his mouth is foolishness:^H5531 and the end of his talk is mischievous madness.
KJV Koh 10:13