The Ledger
Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.
why aren't all 1,034 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable
Henry Singleton Repurchased 90% of Teledyne's Shares via Eight Tenders
“1972 and 1984 and eight separate tender offers. He bought back an astonishing 90% of Teledyne's outstanding shares.”
Singleton's Stock Repurchases Generated a 42% CAGR for Teledyne Shareholders
“Singleton bought his own stock extremely well and generated an incredible 42% compound annual return for Teledyne's shareholders across the tenders.”
Senra: Henry Singleton rejected detailed strategic plans for flexibility
“Singleton did not believe in detailed strategic plans, preferring instead to retain flexibility and keep his options open.”
Henry Singleton was an early investor in Apple Computer
“Not the one Henry helped to finance. He invested in Apple.”
Senra: David Ogilvy built his advertising agency on Claude Hopkins' work
“And David Overby said, essentially, like, he built the foundation for his giant advertising agency that he founded, just on the work alone of Claude Hopkins.”
Senra: Albert Lasker locked Hopkins' manuscript in a safe for 20 years
“Albert Lasker read the book, told Claude Hopkins, absolutely not. You are not publishing this book. This is giving away all of our secrets. You have to wait until I'm done making all this money. Albert Lasker put the book into a safe for 20 years.”
Warren Buffett made more on Ogilvy's agency than David Ogilvy did
“In fact, interesting enough, Buffett made more money on Ogilvy's company than Ogilvy did because Ogilvy got scared and sold his equity too early before it appreciated.”
John von Neumann was guarded by military personnel on his deathbed
“One of Shannon's fellow NSA scientific advisors, John Van Neumann, was watched around the clock by uniformed military personnel when he was on his deathbed.”
Claude Shannon averaged a 28% annual stock return over 30 years
“Over 30 years. From the late 19 fifties through 1986. Shannon's returns on his stock portfolio was 28% a year.”
Senra: Claude Shannon and Ed Thorp built the first wearable computer
“Ed Thorpe and Claude Shannon wind up building the world's first wearable computer.”
The Rothschild Banking Dynasty Never Allowed Outsiders to Inspect Archives
“The Rothschilds never let any outsider go through their archives.”
Zuckerberg Rejected Yahoo's $1 Billion Facebook Buyout in 10 Minutes
“When Yahoo offered to buy Facebook for a billion dollars in July, 2006, I thought we should at least consider it. But Mark Zuckerberg walked into the board meeting and announced, okay, guys, this is just a formality. It shouldn't take more than 10 minutes. We'…”
Honda spent ten times the value of its assets on machine tools
“They spent something like 10 X on tools than the entire assets of the company.”
Honda was the only Japanese manufacturer to reject government import protections
“At this time, there's a lot of other people in Japan trying to petition the government to essentially stop importing foreign goods and essentially protect their goods. And Honda is the only one of these manufacturers that doesn't vote for this.”
Joseph Pulitzer crowdfunded the Statue of Liberty pedestal from 120,000 donors
“Over a 120,000 people donate. And in less than five months, Pulitzer raises all the money required.”
Apple reduced hardware development cycles from three years to nine months
“We reduced product development from three years to nine months. We made Apple one of the fastest companies in tech”
Steve Jobs Fired NeXT Manufacturing VP to Cover His Own Indecision
“When Nexus factory schedule, inevitably slipped rather than blaming his own indecision. Steve took out his frustration on Linda, and he fired her, and the entire company gets stuck in this loop for months and years.”
Jobs Threatened to Shut NeXT Unless Canon Bought Hardware Division
“And by this time, they'd already poured a hundred and forty million dollars into the company. And Steve says, if you don't deposit another check for twenty million dollars by Monday, I'm going to shut the doors. In exchange for the twenty million dollars, Cano…”
George Lucas Threatened to Fire Pixar Team Over $35 Million Divorce
“George was cash strapped from a thirty-five million divorce settlement and was threatening to fire the division's entire team if no buyer emerged.”
Steve Jobs Learned Never to Overplay His Hand From IBM Deal
“Years later, he confided in Pixar co-founder Ed Catmull That he had learned a lesson from the collapse of the IBM deal. Never overplay your hand.”
Bowerman coached more sub-four-minute milers than any other coach
“Bowerman coached more sub four minute milers than anybody ever.”
Phil Knight hitched free military flights in uniform to sell shoes
“So every other weekend I'd load a duffel bag with tigers. This is the shoe, the brand of shoe that he's selling. Put on my army uniform and head out to the local airbase. Seeing the uniform, the MPs would wave me onto the next military transport To San Francis…”
An early $8,000 loan to Nike yielded $1.6 million at IPO
“Now, what is remarkable about that is, I think, six years later, when Nike IPOs, Phil Knight converted that loan to stock, and that 8000 dollars was worth 1.6
Million.”
DeepMind used 32 algorithms to predict nearly all protein structures
“In 2020, DeepMind solved a second grand challenge in biochemistry, stitching together 32 algorithms to define the shape of nearly all the proteins in nature.”
Hassabis and Jumper won the 2024 Nobel Prize in Chemistry
“So in 2024, Demis and John Jumper were awarded the Nobel Prize in chemistry for protein structure prediction.”
Peter Molyneux Offered Teenage Demis Hassabis £500k to Skip Cambridge
“The founder did everything possible to persuade him not to go. He writes out a check for 500,000 pounds to get him to work on Bullfrog's next game. Keep in mind this is a poor 17 or 18 year old at the time. He does not have money. That amount of money would be…”
Bill Gates Claimed True AI Would Be Worth Ten Microsofts
“If you invent a breakthrough in artificial intelligence so machines can learn, that would be worth 10 Microsofts.”
Investor Required DeepMind Founders to Pitch His Teenage Sons
“In September, 2010, Demis and Mustafa appeared before a strange kind of investment committee. David Gammon declared himself ready to commit capital, but he'd only go forward if DeepMind did things his way. Entrepreneurs seeking his support were required to vis…”
Founders Fund Invested $2.3M for Nearly Half of DeepMind in 2010
“Founders fund wired 2.3 million to deep mine and they assumed ownership of a bit less than half the company. There was no other capital available. This is December, 2010.”
SpaceX launched 5x the orbital mass of all global competitors in 2025
“In 2025, SpaceX launched more mass to orbit than every other provider on Earth combined. Much more. This is crazy. Every payload from China, Russia, Europe, and all American launchers wasn't even a fifth of what SpaceX put into orbit.”
SpaceX built a Falcon 1 actuator for $3,900 versus vendor's $120,000 quote
“Consider the Falcon one actuator, a vendor quoted a 120,000 dollars in 18 months of development. SpaceX's engineers built it for 3900 dollars.”
Falcon 9 launches every 2-3 days and reuses boosters 20 times
“A Falcon nine goes up every two to three days. Competitors manage single digit launches per year. The same boosters have been reused 20 times each.”
SpaceX's Starlink constellation now has over 9,000 satellites in orbit
“Starlink, their satellite internet constellation, now has over 9000 satellites in orbit, the largest in history, both built and launched by the same company.”
Senra: SpaceX is the most valuable private company on Earth
“SpaceX is now the most valuable private company on the planet.”
Bezos outspent Musk's $100M initial investment, proving capital alone isn't enough
“Elon putting in a hundred million dollars bought early runway, but Bezos poured much more into Blue Origin, and legacy primes Had multiples of this amount.”
Raw materials make up just 2% of a traditional rocket's price
“It turned out that the materials cost of a rocket was around two percent of the typical price, which is a crazy ratio for a large mechanical product.”
SpaceX chose stainless steel for Starship because it can weld outdoors
“This can lead to specific design decisions like using stainless steel for Starship, which is cheap, easy to weld and can be welded in a tent, by the way, instead of carbon fiber, which is expensive and requires giant autoclaves.”
Andrej Karpathy notes Elon Musk spends 50% of his time with engineers
“Andre Carpathie who worked for Elon at Tesla notes that Elon spends about 50% of his time talking directly to engineers, not to VP summarizing engineering work.”
Federer won 80% of career matches despite winning only 54% of points
“In the 1526 single matches I played in my career, I won almost 80% of those matches. Now I have a question for you. What percentage of points do you think I won in those matches? Only 54%. In other words, even top ranked tennis players Win barely more than hal…”
Federer's equity stake in Swiss shoe brand On reached $300M at IPO
“When ON goes public, Federer's stake in the company was worth about three hundred million dollars.”
Senra: Dietrich Mateschitz took $500M-$800M annual dividends with $20B-$30B net worth
“Over the last few years, he was taking anywhere from five hundred million to eight hundred million a year in annual dividends, and he had a net worth somewhere between 20 and thirty billion dollars.”
Red Bull allowed ingredient rumors unchecked and hosted a dedicated rumor page
“The company let the gossip travel unchecked, and even set up a page devoted to the rumors on its website.”
Dietrich Mateschitz paid for Red Bull's early advertising via agency sweat equity
“And so he actually paid for this initial work with labor. He had no money. So he actually helps out in the agency as a freelance employee just to pay for that marketing advertising that the advertising agency that his friend started is doing on behalf of Red B…”
Senra: Red Bull's primary bottling partnership was sealed purely on a handshake in 1987
“His main bottler relationship was sealed with a handshake. The bottler is this family business that has been around for over a hundred years. He meets with the lead, the head of that, that company, right? It's in German. I'm not even gonna try to pronounce it.…”
Red Bull paid zero dividends for its first 15 years
“To not go into debt, there were no dividend payouts of Red Bull until 1999. So you're talking for the first, what, 15 years of the company, he essentially just lived off of his own salary as the As the managing director of the corporation, and that all the pro…”
John D. Rockefeller acquired 23 rival refining companies in just four weeks
“In four weeks, Rockefeller bought 23 companies.”
Only five of 23 acquired rival refiners chose Standard Oil stock
“Of these 23 people, he would offer stock or cash. You choose. Only five took the stock.”
Rockefeller used the Leading Refiners Association to access competitors' financial data
“In fact, the information he gets from this association helps him become a monopoly. And so Rockefeller's actually chosen to be the head of the association. That's really important because then he gets to know every single business. He has to see their books. H…”