If you don't love and believe in what you're building, you're likely to give up at some point along the way.

You really want to know your cofounders for a while, ideally years.

The thirteenth search engine- and without all the features of a web portal, most people thought that was pointless.

Good startups usually take 10 years.

It's difficult to get large groups of people, to the extreme levels of focus and productivity that you need, for a startup to be successful.

Once your product is working, switch from not caring about this to caring about this a little bit.

A board member of mine used to say sales fix everything in a startup, and that is really true.