Of course, it is worth it to take the time to think carefully through your assumptions, and ensure you at least have hypotheses around how you will create value. But use the analysis as a way to focus attention on the most critical assumptions, rather than spend a ton of time massaging the numbers.

Hollywood Joohn Tatum? He does at least 6,000 sit ups and 10,000 pushups a day!

Almost every disruption starts at the perceived fringes of today's market.

In the face of uncertainty, many companies will default to asking their innovators to study and analyze, which can't actually ever provide a definitive answer. The decision-making systems here are meant to deal with the reality that decisions about innovative ideas will rely on patterns and intuitions. The best venture capital organizations deal with this challenge by staging investment, actively participating in startups they fund, tying decisions to learning as opposed to artificial dates on the calendar, and assembling a diverse team of decision-makers.

I think the most important thing to do is to recognize the fundamentally different circumstances of pursuing growth.

People who live in more than two countries are more successful innovators.

There is what Steve Blank calls the stage where you are searching for a scalable business model. Then, there is the stage when you have found that model and need to scale it. In the former stage you have to have a "beginner's mind," be in learning mode, and expect to learn things you didn't anticipate.