1. Source unknown, which is a shame, given the cartoon’s utter perfection.
1. Wikipedia, s.v. “Philip B. Crosby,” last modified December 26, 2018, https://en.wikipedia.org/wiki/Philip_B._Crosby.
2. Not original, but original author unknown.
3. Eliyahu Goldratt, Theory of Constraints (Great Barrington, MA: North River Press, 1990).
4. Paco Underhill, Why We Buy: The Science of Shopping, rev. ed. (New York: Simon and Schuster, 2008).
5. Jim Collins, Good to Great: Why Some Companies Make the Leap . . . and Others Don’t (New York: HarperCollins, 2011).
6. Usually attributed to Benjamin Disraeli, but according to the Phrase Finder (www.phrases.org.uk) it appears the credit more likely belongs to Arthur James Balfour, 1st Earl of Balfour; see https://www.phrases.org.uk/meanings/lies-damned-lies-and-statistics.html.
1. “Chaos Resolution by Agile versus Waterfall,” Standish Group, 2015, https://platinumedge.com/sites/default/files/public/Standish-Group-2015-Agile-v-Waterfall.pdf.
2. “Someone a long time ago” means we weren’t able to track down the original research.
3. Bob Lewis and Scott Lee, The Cognitive Enterprise (Tampa, FL: Meghan-Kiffer Press, 2015).
4. Manifesto for Agile Software Development, Agile Alliance, http://agilemanifesto.org/.
1. Sun Tzu, The Art of War (original publisher and publication date unknown).
1. Bob Lewis, Keep the Joint Running: A Manifesto for 21st Century Information Technology (Eden Prairie, MN: IS Survivor Publishing, 2009).
1. Usually ascribed to W. Edwards Deming, but likely originating with his colleague Arthur Jones. “Quote by W. Edwards Deming,” Deming Institute, 2019, http://quotes.deming.org/authors/W._Edwards_Deming/quote/10141.
2. Bob Lewis, Leading IT: (Still) the Toughest Job in the World, 2nd ed. (Eden Prairie, MN: IS Survivor Publishing, 2011).
3. Spencer Johnson, Who Moved My Cheese (New York: G. P. Putnam’s Sons, 1998).
4. Bob Lewis, Bare Bones Change Management (Eden Prairie, MN: IS Survivor Publishing, 2010).
5. The best: Bob Lewis, Bare Bones Project Management (Eden Prairie, MN: IS Survivor Publishing, 2011). Second-best: Eliyahu Goldratt, Critical Chain (Great Barrington, MA: North River Press, 2002).