“The difference between insanity and genius is measured only by success and failure.”
“The only real failure is the failure to try, and the measure of success is how we cope with disappointment.”
Source: The Best Exotic Marigold Hotel
Help us to complete the source, original and additional information
Deborah Moggach 3
English writer 1948Related quotes

“There's no success like failure, and failure's no success at all.”
Song lyrics, Bringing It All Back Home (1965), Love Minus Zero/No Limit

“You can measure your worth by your dedication to your path, not by your successes or failures.”
Source: Big Magic: Creative Living Beyond Fear

“The only guarantee for failure is to stop trying”

“I don't know the key to success, but the key to failure is trying to please everybody.”
Originally from Herbert Bayard Swope (1882-1958); often attributed to Cosby, he actually cites this as a sound advice he once read elsewhere, in "Dr. Bill Cosby" in Ebony, Vol. 32, No. 8 (June 1977), p. 136
Misattributed

Book Sometimes you win Sometimes you Learn
“Nothing fails like success because we don't learn from it. We learn only from failure.”
Kenneth Boulding (1971) "The diminishing returns of science" in: New Scientist. (March 25, 1971) Vol. 49, nr. 744. p. 682
1970s
Context: Perhaps the most difficult ethical problem of the scientific community arises not so much from conflict with other subcultures as from its own success. Nothing fails like success because we don't learn from it. We learn only from failure.