Ecclesiastes 9:15

and there was found in it a poor wise man, who by his wisdom delivered the city; but no man remembered that poor man.

Ecclesiastes 4:13

Better is a poor but wise youth than an old and foolish king, who knoweth no more how to be admonished.

Genesis 40:23

But the chief of the cup-bearers did not remember Joseph, and forgot him.

2 Samuel 20:22

Then the woman went to all the people in her wisdom. And they cut off the head of Sheba the son of Bichri, and cast it to Joab. And he blew a trumpet, and they dispersed from the city, every man to his tent. And Joab returned to Jerusalem to the king.

Esther 6:2-3

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

Ecclesiastes 2:16

For there shall be no remembrance of the wise more than of the fool for ever; because everything is already forgotten in the days which come. And how dieth the wise even 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 of the cup-bearers did not remember Joseph, and forgot him.
Esther 6:2
And it was found written, that Mordecai had told of Bigthana and Teresh, two of the king's chamberlains, keepers of the threshold, who had sought to lay hand on king Ahasuerus.

General references

2 Samuel 20:16
And a wise woman cried out of the city, Hear, hear: say, I pray you, unto Joab, Come near hither, that I may speak with thee.
Proverbs 2:11
discretion shall keep thee, understanding shall preserve thee:
Proverbs 21:22
A wise man scaleth the city of the mighty, and casteth down the strength of the confidence thereof.
Ecclesiastes 7:19
Wisdom strengtheneth the wise more than ten mighty men that are in a city.
1 Corinthians 12:22
But much rather, the members of the body which seem to be weaker are necessary;