'Folly' in the Bible

And I gave my heart to know wisdom, and to know madness and folly: I perceived that this also is vexation of spirit.

I said of partying, "It is folly," and of self-indulgent pleasure, "It accomplishes nothing!"

I sought in mine heart to give myself unto wine, yet acquainting mine heart with wisdom; and to lay hold on folly, 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.

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

Then I saw that wisdom excelleth folly, as far as light excelleth darkness.

For like the crackling of quick-burning thorns under a cooking pot, so is the laughter of the fool. This kind of folly also is useless.

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:

This is the unfortunate fact about everything that happens on earth: the same fate awaits everyone. In addition to this, the hearts of all people are full of evil, and there is folly in their hearts during their lives -- then they die.

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

Folly is set in great dignity, and the rich sit in low place.

The beginning of the words of his mouth is folly,but the end of his speaking is evil madness.