Go build it. If you really believe in something, you should just build it. If you love it, it won’t feel like work. It’s okay to drop out of college if you have an awesome idea.

You don't need anyone's approval and in fact, you probably won't get it, so don't even try. Build, release and iterate. Make a list of the features you want to create over the next six months and get going! For small companies, once a week; for larger companies, maybe twice a month.

I don't care what it is, when it has an LCD screen, it makes it better.

A team aligned behind a vision will move mountains

Letting users control your site can be terrifying at first. From day one we were asking ourselves, "What is going to be on the front page today?" You have no idea what the system will produce. But stepping back and giving consumers control is what brought more and more people to the site. They have a sense of ownership and discovery at the same time. If you give users the tools to spread and share their interests with others, they will use them to promote what is important to them.

I love well-designed products that combine form and functionality.

The key to making money in angel investing is saying no. You meet with 100 companies and say no to 99 of them.