Ecclesiastes Chapter 2, Verse 19

19: And who knoweth whether he shall be a wise man or a fool? yet shall he have rule over all my labour wherein I have laboured, and wherein I have shewed myself wise under the sun. This is also vanity.- edit KJV text
19: Whom I know not whether he will be a wise man or a fool, and he shall have rule over all my labours with which I have laboured and been solicitous: and is there anything so vain?— edit Douay text
19: And who knows whether he will be a wise [man] or a fool? and whether he will have power over all my labour in which I laboured, and wherein I grew wise under the sun? this is also vanity.— edit LXX text