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Masaaki Imai 19
Japanese business theorist and consultant 1930Related quotes
“If you want something different, DO something different. Without change progress is impossible.”
Source: Life, the Truth, and Being Free (2010), p. 132

“"Recognise and acknowledge your mistake, but never admit your mistake."”
Statement to one of his advisors when he realised that Cao Cao made a mistake. Source: Romance of the Three Kingdoms. An adaptation of the Sanguo Zhi new 2010.
Attributed
“I make mistakes; I'll be the second to admit it.”
"I was a Sand Crab" http://books.google.com/books?id=teAQAAAAMAAJ&q=%22I+make+mistakes+I'll+be+the+second+to+admit+it%22&pg=PA17#v=onepage
The Snake Has All the Lines (1960)

Source: Derb Quotes https://www.nationalreview.com/corner/derb-quotes-john-derbyshire/, National Review, November 20, 2003.

“Progress is man's ability to complicate simplicity.”
Variant: Progress is a man´s ability to comlicate simplicity.

Illustrated London News (1924)
Context: The whole modern world has divided itself into Conservatives and Progressives. The business of Progressives is to go on making mistakes. The business of Conservatives is to prevent mistakes from being corrected. Even when the revolutionist might himself repent of his revolution, the traditionalist is already defending it as part of his tradition. Thus we have two great types — the advanced person who rushes us into ruin, and the retrospective person who admires the ruins. He admires them especially by moonlight, not to say moonshine. Each new blunder of the progressive or prig becomes instantly a legend of immemorial antiquity for the snob. This is called the balance, or mutual check, in our Constitution.
“Life demands honesty, the ability to face, admit, and express oneself.”

“Men. The day they learned to admit to a mistake was the day they became women.”
Source: To Sir Phillip, With Love