'Folly' in the Bible

And I applied my heart to know wisdom, and to know madness and folly: I perceived that this also was a striving after wind.

I searched in my heart how to cheer my flesh with wine, my heart yet guiding me with wisdom, and how to lay hold on folly, till I might see what it was good for the sons of men that they should do under 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 done long ago.

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

I turned about, and my heart was set to know and to search out, and to seek wisdom and the reason of things , and to know that wickedness is folly, and that foolishness is madness.

Dead flies cause the oil of the perfumer to send forth an evil odor;'so doth a little folly outweigh wisdom and honor.

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