“The sad fact is how easily we forget the great events of the past. What we don't really learn from history education at school is how important it is for us to learn to never forget history as President Soekarno once said.”
Related quotes

“We learn from history that we don't learn from history!”
Often attributed to Desmond Tutu, actual source is G. W. F Hegel: What experience and history teach is this — that nations and governments have never learned anything from history, or acted upon any lessons they might have drawn from it. Lectures on the Philosophy of History (1832)
Misattributed

“We learn from history that we do not learn from history.”
“We forget that education is not school and school is not education.”
"Learning is something we have to do every day, so if you tell me that I should finish my studies then you are saying that I am going to end my life."
Christian Canlubo answered to a person who tell him that he should finished his learning to be a successful person.
Source: Christian Canlubo https://en.everybodywiki.com/Christian_Canlubo| Christian Canlubo profile on EverybodyWiki

“We learn history not in order to know how to behave or how to succeed, but to know who we are.”
"The Idolatry of Politics", U.S. Jefferson Lecture speech (1986)
In the Shadow of History, Chapter: Why should we study History? p. 4
History, What History Tells Us, In the Shadow of History

“You can't forget the things you did in the past, or you'll never learn from them.”
Source: City of Fallen Angels