Most of my life is over. I am going to enjoy my family and friends before any of us depart this earth. I'll never start another company. I'll never work long hours again. At this point in my life, I only answer to God, my wife, and my kids. Everything else is secondary - especially the expectations of strangers.

I merely consider myself a father, and one role of a father is to provide financial resources for his family.

Writing is therapeutic. It helps you cope with issues that seem gargantuan at the time. The process of expressing yourself about a problem, editing your thoughts, and writing some more can help you control issues that you face.

Doing, not learning to do, is the essence of entrepreneurship.

You know in a startup, you only need three people. You need someone who can make something. You need someone who can sell it. And you need someone to collect the money. That's the only three roles in a startup. So which one are you?

People are free or cheap. Marketing: using Twitter or blogs. Cheap or free. Infrastructure: call up Amazon, call up Rackspace, terabytes of data in the clouds, thousand dollars, two thousand dollars.

"(Big name research firm) says our market will be $50 billion in 2010." Every entrepreneur has a few slides about how the market potential for his segment is tens of billions. It doesn't matter if the product is bar mitzah planning software or 802.11 chip sets. Venture capitalists don't believe this type of forecast because it's the fifth one of this magnitude that they've heard that day. Entrepreneurs would do themselves a favor by simply removing any reference to market size estimates from consulting firms.