Ecclesiastes 2:15

Then said, I, in my heart, As it happeneth to the dullard, even to me, will it happen, but wherefore, then, became, I, wise to excess? Therefore spake I, in my heart, Even this, is vanity.

Ecclesiastes 6:8

For what profit hath the wise man, over the dullard? What can, the poor man, know - so as to walk before the living?

1 Kings 3:12

lo! I have done according to thy word, - lo! I have given unto thee a wise and discerning heart, so that, like thee, hath been none, before thee, and, after thee, shall rise up none, like thee.

Ecclesiastes 1:2

Vanity of vanities! saith the Proclaimer, vanity of vanities! all, is vanity.

Ecclesiastes 1:14

I saw all the works which were done under the sun, - and lo! all, was vanity, and a feeding on wind.

Ecclesiastes 1:16

Spake, I, in my heart, saying, As for me, lo! I have become great, and have gathered wisdom, beyond any one who hath been before me over Jerusalem, - and, my heart, hath seen much wisdom and knowledge:

Ecclesiastes 1:18-1

For, in much wisdom, is much vexation, - and, he that increaseth knowledge, increaseth pain.

Ecclesiastes 2:16

For there is no remembrance of a wise man, more than of a dullard, unto times age-abiding, - seeing that, already, in the days to come, all hath been forgotten, how then cometh it that the wise man dieth equally with the dullard?

Treasury of Scripture Knowledge

Summary

Then said I in my heart, As it happeneth to the fool, so it happeneth even to me; and why was I then more wise? Then I said in my heart, that this also is vanity.

General references

Bible References

And why

Ecclesiastes 1:16
Spake, I, in my heart, saying, As for me, lo! I have become great, and have gathered wisdom, beyond any one who hath been before me over Jerusalem, - and, my heart, hath seen much wisdom and knowledge:
1 Kings 3:12
lo! I have done according to thy word, - lo! I have given unto thee a wise and discerning heart, so that, like thee, hath been none, before thee, and, after thee, shall rise up none, like thee.

Then i

Ecclesiastes 2:1
Said, I, in my heart, Come now! I will prove thee with gladness, and look thou on blessedness, - but lo! even that, was vanity.
Ecclesiastes 1:2
Vanity of vanities! saith the Proclaimer, vanity of vanities! all, is vanity.

General references

Ecclesiastes 1:2
Vanity of vanities! saith the Proclaimer, vanity of vanities! all, is vanity.