There is nothing more powerful than well-informed optimism. It has to be well-informed though. The "everything will be fine" type of optimism may als… - Paul Graham

People are bad at looking at seeds and guessing what size tree will grow out of them. The way you’ll get big ideas in, say, health care is by starting out with small ideas. If you try to do some big thing, you don’t just need it to be big; you need it to be good. And it’s really hard to do big and good simultaneously. So, what that means is you can either do something small and good and then gradually make it bigger, or do something big and bad and gradually make it better. And you know what? Empirically, starting big just does not work. That’s the way the government does things. They do something really big that’s really bad, and they think, Well, we’ll make it better, and then it never gets better”.

Building Fast Companies for Growth, Inc. September 2013

In many domains it's an advantage to have a culture of doing things fast and cheaply. But organizations never shift toward this as they age; if they shift, it's always in the other direction. So the only way to have this culture is to start with it and not lose it.

When startups are doing well it's common for them either not to disclose their numbers, or under-report them. Half the time when I get an email with great numbers, it's followed by "but don't tell anyone."