My first collection

Reliability and validity are unrelated, as in reliable doesn’t mean right. It means the same wrong answer is delivered on schedule and with confidence.

Confusing them is one of the quietest ways to build confidence in the wrong direction.

It’s why you hear experienced operators ask WHY a billion times, or push for first principles. What decisions are

You know how you can find a leak in a tire by squirting dish soap on it and then looking for where the bubbles form? Writing is like squirting dish soap on an idea: it makes the holes obvious.

If you are honest, truthful, and transparent, people trust you.

If people trust you, you have no grounds for fear, suspicion, or jealousy.

Lean into discomfort: When torn between choices, the path that makes you most uncomfortable is almost always the right one. Human tendency is to avoid hard decisions, so your errors will only go in one direction — toward avoidance.

She brings clarity without drama, confidence without ego, and a calm presence that immediately lowers the temperature in the room. In moments where it would be easy to feel overwhelmed, she keeps things clear, practical, and manageable.

This week was a reminder that being great at your work isn’t just about technical skill. It’s about how safe

An individual human existence should be like a river — small at first, narrowly contained within its banks, and rushing passionately past rocks and over waterfalls. Gradually the river grows wider, the banks recede, the waters flow more quietly, and in the end, without any visible break, they become merged in the sea, and painlessly lose their

Superpowers you can choose:

- Ability to change yourself & your mind
- Not taking things personally
- Not needing to prove you're right
- Careful selection of all relationships
- Staying calm
- Being alone without being lonely
- Being ok with being uncomfortable
- Thinking for oneself

• Shane Parrish
  

What advice do you have for parents of young athletes?

Put trust in the coaches, the way my parents did. But you still have to keep your finger on the pulse. That’s what I’ve been told with Leo too: «Even if you stay in the background, you have to know what’s going on.» That’s our job as parents: to support our children so they can learn to fly on

Roger Federer, on 11-year-old Leo …

Do you coach him?

No. If I’m needed, I’m there. I’m happy to help, with other kids too. But someone else should do the coaching. I see myself more as a general manager with Leo. I didn’t push him for a long time. But for about a year now, since I’ve noticed he wants to play more and more, I’m trying to make that