Ecclesiastes 2:12

Next I turned to examine wisdom, insanity, and foolishness, because what can a person do who succeeds the king except what has already been accomplished?

Ecclesiastes 1:17

So I dedicated myself to learn about wisdom and knowledge, and about insanity and foolishness. And I discovered that this is also like chasing after the wind.

Ecclesiastes 7:25

I committed myself to understand, to learn, to search for wisdom and explanations, and to understand both the evil that is foolishness and the stupidity that is delusion.

Ecclesiastes 1:9-10

Whatever has happened, will happen again; whatever has been done, will be done again. There is nothing new on earth.

Treasury of Scripture Knowledge

Summary

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.

Even that which hath been already done

Bible References

I turned

Ecclesiastes 1:17
So I dedicated myself to learn about wisdom and knowledge, and about insanity and foolishness. And I discovered that this is also like chasing after the wind.
Ecclesiastes 7:25
I committed myself to understand, to learn, to search for wisdom and explanations, and to understand both the evil that is foolishness and the stupidity that is delusion.

Even that which hath been already done

Ecclesiastes 2:25
for who can eat or enjoy life apart from him?

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