Ecclesiastes 9:15
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.
Cross-reference
Ecclesiastes 4:13 also contrasts a poor wise youth with a foolish king — reinforcing the theme of unappreciated wisdom.
Ecclesiastes 7:19 similarly praises wisdom over strength, reinforcing the poor wise man's city-saving power seen in 9:15.
Genesis 40:23 recounts Joseph being forgotten after interpreting dreams — exactly the same fate as the poor wise man.
Esther 6:2 records Mordecai's good deed being remembered, contrasting the poor wise man who was forgotten.
Judges 8:35 describes Israel forgetting Gideon's deliverance — the same ingratitude shown to the poor wise man.
Proverbs 19:7 says the poor are shunned and forgotten — directly paralleling the forgotten poor wise man.
Exodus 1:8 shows Joseph forgotten by a new king, paralleling the poor wise man being forgotten by his city.
In 1 Samuel 23:12, David learns the city he saved will betray him — echoing the poor wise man's forgotten deliverance.
In 1 Chronicles 19:2, David remembers past kindness — in contrast to the city that forgot its deliverer.
In Esther 6:3, Mordecai's service has not yet been rewarded, similar to the poor wise man's unrecognized deliverance.
Proverbs 3:13 pronounces blessing on finding wisdom — yet Ecclesiastes shows wisdom can be forgotten and unrewarded.
Proverbs 28:11 contrasts a rich man's self-wisdom with a poor man's discernment — similar to the poor wise man's insight.
James 2:6 rebukes despising the poor, reflecting 9:15's forgotten poor wise man — a shared theme of neglected worth.