Almost every dot-com idea from 1999 that failed will succeed.
All's fair in love, war and ride-sharing.
Any new technology tends to go through a 25-year adoption cycle.
When you're dealing with machines or anything that you build, it either works or it doesn't, no matter how good of a salesman you are.
I enjoy not being a public company.
An awful lot of successful technology companies ended up being in a slightly different market than they started out in.