Ecclesiastes 9:15

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

Ecclesiastes 4:13

Better is a poor and a wise child than an old and foolish king who will no longer be admonished.

Genesis 40:23

Yet the chief butler did not remember Joseph but forgot him.

2 Samuel 20:22

Then the woman went unto all the people in her wisdom. And they cut off the head of Sheba, the son of Bichri, and cast it out to Joab. And he blew the shofar, and they retired from the city, each one to his tent. And Joab returned to Jerusalem unto the king.

Esther 6:2-3

And it was found written that Mordecai had told of Bigthana and Teresh, two of the king's eunuchs, the keepers of the door, who had sought to lay hand on King Ahasuerus.

Ecclesiastes 2:16

For there is no remembrance of the wise more than of the fool for ever, seeing that which now is in the days to come shall all be forgotten. And also the wise man shall die the same as 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
Yet the chief butler did not remember Joseph but forgot him.
Esther 6:2
And it was found written that Mordecai had told of Bigthana and Teresh, two of the king's eunuchs, the keepers of the door, who had sought to lay hand on King Ahasuerus.

General references

2 Samuel 20:16
Then a wise woman cried out in the city, Hear, hear, I pray you, tell Joab to come here, that I may speak with him.
Proverbs 2:11
discretion shall preserve thee, intelligence shall keep thee
Proverbs 21:22
The wise man took the city of the mighty and cast down its strength in which it trusted.
Ecclesiastes 7:19
Wisdom strengthens the wise more than ten mighty men who are in the city.
1 Corinthians 12:22
For those members of the body, which seem to be weaker, are much more necessary;