Ecclesiastes 1:3

What profit
<03504>

hath a man
<0120>

of all his labour
<05999>

which he taketh
<05998> (8799)

under the sun
<08121>_?

Ecclesiastes 1:13

And I gave
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my heart
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to seek
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and search out
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by wisdom
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concerning all [things] that are done
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under heaven
<08064>_:

this sore
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travail
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hath God
<0430>

given
<05414> (8804)

to the sons
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of man
<0120>

to be exercised
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therewith. {to be...: or, to afflict them}

[That which is] crooked
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cannot
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be made straight
<08626> (8800)_:

and that which is wanting
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cannot
<03201> (8799)

be numbered
<04487> (8736)_.

{that which is wanting: Heb. defect}

And I gave
<05414> (8799)

my heart
<03820>

to know
<03045> (8800)

wisdom
<02451>_,

and to know
<03045> (8800)

madness
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and folly
<05531>_:

I perceived
<03045> (8804)

that this
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also is vexation
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of spirit
<07307>_.