Ecclesiastes 9:15

and there hath been found in it a poor wise man, and he hath delivered the city by his wisdom, and men have not remembered that poor man!

Ecclesiastes 4:13

Better is a poor and wise youth than an old and foolish king, who hath not known to be warned any more.

Genesis 40:23

and the chief of the butlers hath not remembered Joseph, but forgetteth him.

2 Samuel 20:22

And the woman cometh unto all the people in her wisdom, and they cut off the head of Sheba son of Bichri, and cast it unto Joab, and he bloweth with a trumpet, and they are scattered from the city, each to his tents, and Joab hath turned back to Jerusalem unto the king.

Esther 6:2-3

and it is found written that Mordecai had declared concerning Bigthana and Teresh, two of the eunuchs of the king, of the keepers of the threshold, who sought to put forth a hand on king Ahasuerus.

Ecclesiastes 2:16

That there is no remembrance to the wise -- with the fool -- to the age, for that which is already, in the days that are coming is all forgotten, and how dieth the wise? with the fool!

Treasury of Scripture Knowledge

Summary

Now there was found in it a poor wise man, and he by his wisdom delivered the city; yet no man remembered that same poor man.

Bible References

Yet

Genesis 40:23
and the chief of the butlers hath not remembered Joseph, but forgetteth him.
Esther 6:2
and it is found written that Mordecai had declared concerning Bigthana and Teresh, two of the eunuchs of the king, of the keepers of the threshold, who sought to put forth a hand on king Ahasuerus.

General references

2 Samuel 20:16
And a wise woman calleth out of the city, 'Hear, hear; say, I pray you, unto Joab, Come near hither, and I speak unto thee.'
Proverbs 2:11
Thoughtfulness doth watch over thee, Understanding doth keep thee,
Proverbs 21:22
A city of the mighty hath the wise gone up, And bringeth down the strength of its confidence.
Ecclesiastes 7:19
The wisdom giveth strength to a wise man, more than wealth the rulers who have been in a city.
1 Corinthians 12:22
But much more the members of the body which seem to be more infirm are necessary,