Ecclesiastes 9:15

Now, a poor wise man was found in it, and he delivered the city by his wisdom.

Ecclesiastes 4:13

A poor but wise youth [is] better than an old but foolish king who no longer knows {how to receive advice}.

Genesis 40:23

But the chief cupbearer did not remember Joseph, but forgot him.

2 Samuel 20:22

The woman went to all of the people with her wise plan, so they cut off the head of Sheba the son of Bicri and threw [it] to Joab. Then he blew the horn and dispersed from the city, each to his tent. Then Joab returned to Jerusalem to the king.

Esther 6:2-3

And it was found written how Mordecai had reported concerning Bigthana and Teresh, two of the king's eunuchs from the keepers of the threshold who had conspired {to assassinate} King Ahasuerus.

Ecclesiastes 2:16

Certainly no one will remember the wise man or the fool in {future generations}. When [future] days come, both will have been forgotten already. How [is it that] the wise man dies 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
But the chief cupbearer did not remember Joseph, but forgot him.
Esther 6:2
And it was found written how Mordecai had reported concerning Bigthana and Teresh, two of the king's eunuchs from the keepers of the threshold who had conspired {to assassinate} King Ahasuerus.

General references

2 Samuel 20:16
Then a wise woman from the city called out, "Listen, listen! Please speak to Joab [to] come near here so that I may speak to you."
Proverbs 2:11
Discretion will watch over you; understanding will protect you,
Proverbs 21:22
To a city of warriors, the wise ascends, and he will bring down the stronghold--its object of trust.
Ecclesiastes 7:19
Wisdom gives more strength to the wise than ten rulers who are in the city.
1 Corinthians 12:22
But by much more the members of the body which are thought to be weaker are necessary,