Those who cannot remember the past are condemned to repeat it
Studying history is necessary to avoid repeating past mistakes. This saying comes from the writings of George Santayana, a Spanish-born American author of the late nineteenth and early twentieth centuries.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.