2005 Chairman's Letter http://www.berkshirehathaway.com/letters/2005.html
Letters to Shareholders (1957 - 2012)
“Sir Isaac Newton was asked how he discovered the law of gravity. He replied, "By thinking about it all the time.”
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Isaac Newton 171
British physicist and mathematician and founder of modern c… 1643–1727Related quotes
Anecdote (1701) from John Conduitt's manuscript, as quoted by Sir David Brewster, Memoirs of the Life, Writings, and Discoveries of Sir Isaac Newton (1855) Vol.2 https://books.google.com/books?id=Bp8RAAAAYAAJ
Glastonbury, England Midsummer Festival, June 21, 1971
1970s
“Sir Isaac Newton, renowned inventor of the milled-edge coin and the catflap!”
Dirk Gently's Holistic Detective Agency (1987)
Context: "Sir Isaac Newton, renowned inventor of the milled-edge coin and the catflap!"
"The what?" said Richard.
"The catflap! A device of the utmost cunning, perspicuity and invention. It is a door within a door, you see, a..."
"Yes," said Richard, "there was also the small matter of gravity."
"Gravity," said Dirk with a slightly dismissive shrug, "yes, there was that as well, I suppose. Though that, of course, was merely a discovery. It was there to be discovered." …
"You see?" he said dropping his cigarette butt, "They even keep it on at weekends. Someone was bound to notice sooner or later. But the catflap … ah, there is a very different matter. Invention, pure creative invention. It is a door within a door, you see."
Venkatraman Ramakrishnan interview: 'It takes courage to tackle very hard problems in science