You want an idea about what you can say. I know it sounds like a bad idea but here's specifically why its actually a great one. You want to sound crazy but you want to ask to be right.

Most investors are obsessed with the market size today and they don't think about how the market is going to evolve.

For most software startups, this translates to keep growing. For hardware startups, it translates to don't let your ship date slip.

You need to figure out what the 2 or 3 most important things are, and then just do those.

If you compromise and hire someone mediocre you will always regret it.

You don't need to make the structure complicated, in fact you shouldn't. All you need is for every employee to know who their manager is.

You need conviction in your own beliefs, and the willingness to ignore others naysaying.