Ecclesiastes 2:3
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. (Ecclesiastes 2:3)
R01 Ecclesiastes 1:17  R02 Ecclesiastes 7:25
Ecclesiastes 1:17 And I gave my heart to know wisdom, and to know madness and folly: I perceived that this also is vexation of spirit. 2 I MC VC
Ecclesiastes 7:25 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: MC VC