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.

ECCLESIASTES 2:19KJV
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What does Ecclesiastes 2:19 mean?

Ecclesiastes 2:19 expresses the speaker’s frustration that after all his hard work and wise decisions, he cannot control who will inherit the results—whether that person will be wise or foolish. The verse concludes that this uncertainty makes all his effort feel meaningless or “vanity.”

The speaker is traditionally understood to be Solomon, reflecting on his life’s achievements and the limits of human control. He is not addressing anyone directly but is thinking aloud about the future of his legacy “under the sun”—that is, in earthly life. The verse highlights the anxiety of not knowing if a successor will handle things wisely or foolishly, which makes even the wisest efforts seem ultimately futile.

The Hebrew behind Ecclesiastes 2:19

  • “Knoweth” (יָדַע, yada‘) means to know or be certain; the verse emphasizes that no one can truly know the character of the next person in charge.
  • “Wise” (חָכָם, ḥākām) and “fool” (כָּסִיל, kesil) are opposites, stressing the unpredictability of who will take over—someone prudent or someone reckless.
  • “Rule” (שָׁלַט, shālat) means to have authority or control; the concern is that someone else will have full power over all the speaker’s accomplishments.
  • “Vanity” (הֶבֶל, hevel) refers to something fleeting, empty, or without lasting substance, capturing the sense of frustration and impermanence.

Why Ecclesiastes 2:19 matters

  • Ecclesiastes 2:19 clarifies that even the wisest person cannot guarantee the future of their work or possessions, challenging the idea that hard work alone secures lasting results.
  • The verse connects to the book’s broader theme that life “under the sun” is unpredictable and often beyond human control, no matter how wise or diligent a person is.
  • This verse helps explain why the writer repeatedly calls earthly pursuits “vanity”—because their outcomes can be undone or wasted by others, making lasting satisfaction elusive.

Where else these words appear

“fool” Hebrew H5530 · used in 6 verses

  • Ecclesiastes 7:17 Be not over much wicked, neither be thou foolish: why shouldest thou die before thy time?
  • Ecclesiastes 10:3 Yea also, when he that is a fool walketh by the way, his wisdom faileth him, and he saith to every one that he is a fool.
  • Jeremiah 4:22 For my people is foolish, they have not known me; they are sottish children, and they have none understanding: they are wise to do evil, but to do good they have no knowledge.

“rule” Hebrew H7980 · used in 7 verses

  • Nehemiah 5:15 But the former governors that had been before me were chargeable unto the people, and had taken of them bread and wine, beside forty shekels of silver; yea, even their servants bare rule over the people: but so did not I, because of the fear of God.
  • Psalms 119:133 Order my steps in thy word: and let not any iniquity have dominion over me.
  • Ecclesiastes 6:2 A man to whom God hath given riches, wealth, and honour, so that he wanteth nothing for his soul of all that he desireth, yet God giveth him not power to eat thereof, but a stranger eateth it: this is vanity, and it is an evil disease.

“laboured” Hebrew H5998 · used in 11 verses

  • Psalms 127:1 A Song of degrees for Solomon. Except the LORD build the house, they labour in vain that build it: except the LORD keep the city, the watchman waketh but in vain.
  • Ecclesiastes 2:11 Then I looked on all the works that my hands had wrought, and on the labour that I had laboured to do: and, behold, all was vanity and vexation of spirit, and there was no profit under the sun.
  • Ecclesiastes 5:16 And this also is a sore evil, that in all points as he came, so shall he go: and what profit hath he that hath laboured for the wind?

“wise” Hebrew H2449 · used in 26 verses

  • Exodus 1:10 Come on, let us deal wisely with them; lest they multiply, and it come to pass, that, when there falleth out any war, they join also unto our enemies, and fight against us, and so get them up out of the land.
  • Psalms 119:98 Thou through thy commandments hast made me wiser than mine enemies: for they are ever with me.
  • Proverbs 21:11 When the scorner is punished, the simple is made wise: and when the wise is instructed, he receiveth knowledge.