Before product/market fit, your only job that matters is to build a great product.

I care much more about the growth rate of the market than it's current size and I also care if there's any reason it's going to top out.

Good startups usually take 10 years.

If it works out, you're going to be working on this for 10 years.

If it takes more than a sentence to explain what you are doing, it's almost always a sign that what you are doing is too complicated.

Some day everyone will find out everyone else's comp, if it's all over the place, it will be a complete meltdown disaster

You should be giving out a lot of equity to your employees.