Reputation is old. Personal brands are new. It is useful to know that they are not the same thing.

Some careers can be made on the back of a single, wonderful idea. We take a look at what that looks like, through Bill Gurley's VC career.

Over the long term, enthusiasm for most projects fade with time. Here's one useful way to think about it.

One way that first principles thinking fails is when you build your analysis up from a deficient set of base principles. Everything is correct and true, but you still end up mistaken. Here's how that looks like in practice.

If you want to understand career moats, understand competitive arbitrage. It is the background and justification for the pursuit of a moat.

Thinking is split roughly into pattern matching against experience, and reasoning from first principles. Here's one argument for why you need both.

If you can only put two ideas to practice a week, then you're inevitably going to have to deal with a bottleneck of 'to-experiment' ideas.

Why the best way to get a reading speedup is to read a lot about some specific topic.

A thinking trap for those of us who are analytical.

Skills that don't normally appear in a single person are likely to be rare. Unfortunately, they might also be impossible to acquire.