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Measuring software productivity by lines of code is like measuring progress on an airplane by how much it weighs.

Quote of the Week 26 " Measuring software productivity by lines of code is like measuring progress on an airplane by how much it weighs. " ―  Bill Gates Source: "No Single Metric Captures Productivity" by Ciera Jaspan, Caitlin Sadowski, Google; Chapter 2  in: Caitlin Sadowski, Thomas Zimmermann, "Rethinking Productivity in Software Engineering"  See  my Blog On Innovation  for a summary of key takeaways from the book.

Innovation is the successful exploitation of new ideas.

Quote of the Week 25 " Innovation is the successful exploitation of new ideas . " ―  UK Department of Trade & Industry (DTI) Source: " Innovate to Accumulate " (1994) Triggered by the inflationary usage of the term " innovation " lacking a universally accepted definition. Or as Graham West already put it back in 1994: "Sadly, the word “innovation”, in recent usage, has become so hackneyed it seriously runs the risk of metamorphosizing into an expression of a doubtful quality." See also my Blog On Innovation article for a collection of alternative definitions of the term.

Realize that you are simultaneously everything and nothing.

Quote of the Week 24 " Realize that you are simultaneously everything and nothing ." ―  Ray Dalio First part of one of the many principles Dalio published in his book " Principles " which is available as e-book in the corresponding free app.  See also Dalio's corresponding blog and LinkedIn article .

Correlation does not imply causation.

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Quote of the Week 23 " Correlation does not imply causation. " ―  Any savvy statistician Triggered by too many news headlines and presentations that cite misinterpreted research studies' results & claims.  See for example this blog or Wikipedia for explanation. Source:   Lucy D'Agostino McGowan, " Hill for the data scientist: an xkcd story "

Everyone is conservative about what he knows best.

2nd Quote of the Week 22 " Everyone is conservative about what he knows best . " ―  Robert Conquest Originally stated as "Everyone is a reactionary about subjects he understands." Related to Clarke's 1st Law . Triggered by a comment on Ethan Mollick's tweet . Source: Robert Conquest’s Three Laws of Politics  and Tracking down Conquest’s law on organisations .

But don't ask me what I think of you, I might not give the answer that you want me to.

Quote of the Week 22 " But don't ask me what I think of you,   I might not give the answer that you want me to. " ―  Peter Green (Fleetwood Mac), Song Lyrics "Oh Well, Part 1" Source:  " Oh Well" ( Lyrics ) See also:  W ikipedia article

Don't talk unless you can improve the silence.

Quote of the Week 21 " Don't talk unless you can improve the silence. " ―  Jorge Luis Borges

... there are known knowns; ... but there are also unknown unknowns ...

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Quote of the Week 20 " ... there are known knowns; there are things we know we know.  We also know there are known unknowns; that is to say we know there are some things we do not know.  But there are also unknown unknowns—the ones we don't know we don't know. ... " ―  Donald Rumsfeld Triggered by Ethan Mollick's tweet  and follow-up tweet . See also:  W ikipedia

Doubt grows with knowledge.

Quote of the Week 18 " Doubt grows with knowledge. " ―  Johann Wolfgang von Goethe German original: "Eigentlich weiß man nur, wenn man wenig weiß. Mit dem Wissen wächst der Zweifel." ― Johann Wolfgang von Goethe

The better we get at getting better, the faster we will get better.

Quote of the Week 17 "The better we get at getting better, the faster we will get better." ― Doug Engelbart Source:  Inventor Of Computer Mouse Dies; Doug Engelbart Was 88

Plans are worthless, but planning is everything.

Quote of the Week 16 " Plans are worthless, but planning is everything." ― Cited by Dwight D. Eisenhower Source:  Quote Investigator

In theory there is no difference between theory and practice, while in practice there is.

Quote of the Week 15 " In theory there is no difference between theory and practice, while in practice there is. " ―  Benjamin Brewster Source:  Quote Investigator

There is always a well-known solution to every human problem — neat, plausible, and wrong.

Quote of the Week 14 " There is always a well-known solution to every human problem — neat, plausible, and wrong . " ―  H. L. Mencken Often paraphrased as “For every complex problem there is an answer that is clear, simple and wrong.” Somewhat related: "Everything should be made as simple as possible, but not simpler." ― attributed to Albert Einstein

If you want people to think, give them intent, not instruction.

Quote of the Week 13 " If you want people to think, give them intent, not instruction. " ―  David Marquet Or go one step further. "If you want to build a ship, don’t drum up the men to gather wood, divide the work, and give orders. Instead, teach them to yearn for the vast and endless sea." ― Antoine de Saint-Exupéry

Any sufficiently advanced incompetence is indistinguishable from malice.

2nd Quote of the Week 12 " Any sufficiently advanced incompetence is indistinguishable from malice. " ―  Grey's Law A variant of Hanlon's Razor: "Never assume malice when stupidity will suffice." Influenced by the third law of Arthur C. Clarke: "Any sufficiently advanced technology is indistinguishable from magic."

In Danger and Deep Distress, the Middle Way Spells Certain Death.

Quote of the Week 12 " In Danger and Deep Distress, the Middle Way Spells Certain Death. " ―  Friedrich Freiherr von Logau "In Gefahr und großer Not  bringt der Mittelweg den Tod." ― Friedrich Freiherr von Logau See also:  https://falschzitate.blogspot.com/2018/04/in-gefahr-und-groter-not-bringt-der.html  (German)

If I had more time, I would have written a shorter letter.

Quote of the Week 11 " If I had more time, I would have written a shorter letter. " ―  Blaise Pascal Source:  Quote Investigator Quote search triggered by a related quote:  "If I am to speak ten minutes, I need a week for preparation; if an hour, I am ready now." ― Woodrow Wilson Source:  Q uote Investigator

No one comes out of a day full of Twitter celebrating humanity.

Quote of the Week 10 " No one comes out of a day full of Twitter celebrating humanity. " ―  Cal Newport (Computer Scientist and Writer) Source:  Deep Work, Focus, Productivity, Email, and Social Media | Lex Fridman Podcast

What you seek is seeking you.

Quote of the Week 9 " What you seek is seeking you. " ― Dsch alāl ad-Dīn Muhammad Rūmī (Rumi) Source:  https://wisdomquotes.com/rumi-quotes/ Quote search triggered by the song “ Being With You ”.

If the only tool you have is a hammer, to treat everything as if it were a nail.

Quote of the Week 8 " I suppose it is tempting, if the only tool you have is a hammer, to treat everything as if it were a nail. " ―  Abraham Maslow 'Law of the instrument' || "Law of the hammer" || "Maslow's hammer" Source:   Q uote Investigator  and  W ikipedia .

Vision without execution is just hallucination.

Quote of the Week 7 " Vision without execution is just hallucination. " ―  Henry Ford Many thanks to  Elliott Seymour, Jr.   who relayed this snippet of wisdom to me more than 20 years ago after a roadmap presentation at the iXOS User Community Americas 2000 conference in San Antonio. Source : 150 Henry Ford quotes . (I have also seen this quote attributed to Thomas A. Edison .) A variation of a Japanese proverb : " Vision without action is a daydream.   Action without vision is a nightmare. "

Victory has a hundred fathers but defeat is an orphan.

Quote of the Week 5 " Victory has a hundred fathers but defeat is an orphan . " ―   Cited by John F. Kennedy   Background information:  He said "There's an old saying that victory has 100 fathers and defeat is an orphan. ...". "While John F. Kennedy gets credit for saying, victory has a thousand fathers, people forget that he called it an old saying. It is actually during World War II that Count Galeazzo Ciano, the Italian dictator Benito Mussolini's foreign minister and his son-in-law as well, wrote in his diary: victory finds a hundred fathers but defeat is an orphan. " Source:  Origin of 'No Jack Kennedy' Comment Disputed (NPR) Ciano's statement was probably influenced by Tacitus. Tacitus’s law:  “Inquissima haec bellorum condicio est: prospera omnes sibi indicant; aduersa uni imputantur” (Agricola 27:1 - 98 AD) which roughly translates to " This is an unfair thing about war: victory is claimed by all, failure to one alone. ...

Insanity is doing the same thing over and over again and expecting different results.

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Quote of the Week 4 " Insanity is doing the same thing over and over again and expecting different results. " ―    misattributed to Albert Einstein   Background information:  Q uote Investigator .

You can go anywhere but you are where you came from.

Quote of the Week 3 " You can go anywhere but you are where you came from. " ―  John Andrew Hull, Manchester Orchestra, “ The Silence ” ( Song Lyrics )

Those who can make you believe absurdities can make you commit atrocities.

Quote of the Week 1 " Those who can make you believe absurdities can make you commit atrocities. " ―  Francois Marie Arouet de Voltaire Source: The Guardian .