Andrew Taylor Still (1828–1917) Founder of Osteopathic Medicine
Still. A. T., Journal of Osteopathy, p. 127. https://www.atsu.edu/museum/subscription/pdfs/JournalofOsteopathyVol5No31898August.pdf/.
Source: The Next American Revolution: Sustainable Activism for the Twenty-First Century
Andrew Taylor Still (1828–1917) Founder of Osteopathic Medicine
Still. A. T., Journal of Osteopathy, p. 127. https://www.atsu.edu/museum/subscription/pdfs/JournalofOsteopathyVol5No31898August.pdf/.
“Today is the tomorrow we worried about yesterday.”
Ann Brashares The Sisterhood of the Traveling Pants
Source: The Sisterhood of the Traveling Pants
“Remember, today is the tomorrow you worried about yesterday.”
Dale Carnegie book How to Stop Worrying and Start Living
Source: How to Stop Worrying and Start Living (1948), p. 237. Part 8 : How I Conquered Worry,
“What we do today, is what we get tomorrow”
Nelson Itodo (2001) Nigerian Entrepreneur
Source: https://twitter.com/nelsonitodo/status/1406659876693098496?s=19
Ward Cunningham (1949) American computer programmer who developed the first wiki
A Conversation with Ward Cunningham (2003), To Plan or Not To Plan
Context: To worry about tomorrow is to detract from your work today. Time you spend thinking about tomorrow is time you're not spending thinking about what to do today. The place you leave in the code because you think you'll need it tomorrow, is actually a waste of time today — and a liability tomorrow. It does more harm than good.