Ecclesiastes 1:13-14

And I gave
<05414> (8804)

my heart
<03820>

to seek
<01875> (8800)

and search out
<08446> (8800)

by wisdom
<02451>

concerning all [things] that are done
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under heaven
<08064>_:

this sore
<07451>

travail
<06045>

hath God
<0430>

given
<05414> (8804)

to the sons
<01121>

of man
<0120>

to be exercised
<06031> (8800)

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

I have seen
<07200> (8804)

all the works
<04639>

that are done
<06213> (8738)

under the sun
<08121>_;

and, behold, all [is] vanity
<01892>

and vexation
<07469>

of spirit
<07307>_.