
“Experience keeps a dear school, but fools learn in no other.”
Source: The 48 Laws of Power
“Experience keeps a dear school, but fools learn in no other.”
“While it is wise to learn from experience, it is wiser to learn from the experiences of others.”
Source: The Purpose Driven Life: What on Earth Am I Here for?
“Only the foolish learn from experience - the wise learn from the experience of others.”
Nur der Dumme lernt aus Erfahrung, der Kluge aus der Erfahrung der anderen!
Alan Turing
“I love fools' experiments. I am always making them.”
recollection http://darwin-online.org.uk/content/frameset?itemID=F2113&viewtype=text&pageseq=7 by E. Ray Lankester, from his essay "Charles Robert Darwin" in C.D. Warner, editor, Library of the World's Best Literature: Ancient and Modern (R.S. Peale & J.A. Hill, New York, 1896) volume 2, pages 4835-4393, at page 4391
Other letters, notebooks, journal articles, recollected statements
“We do not learn from experience… we learn from reflecting on experience.”
“We learn from experience that men never learn anything from experience.”
“Life is a learning experience, only if you learn.”
Source: Soul Curry for You and Me: An Empowering Philosophy that Can Enrich Your Life, P. 27.