A magnificent cause can overcome a prickly personality, but your ability to enchant people increases if they like you, so you should aspire to both. You’ll know that you’re likeable when you can communicate freely, casually, and comfortably with people.

The jewelry business is a very, very tough business - tougher than the computer business. You truly have to understand how to take care of your customers.

It's a very valuable skill to succeed in life whether you work for a startup or a Fortune 500 company.

Don't worry, be crappy. Revolutionary means you ship and then test... Lots of things made the first Mac in 1984 a piece of crap - but it was a revolutionary piece of crap.

The Future belongs to those who can spread ideas.

Create something, sell it, make it better, sell it some more and then create something that obsoletes what you used to make.

I would consider...Google Plus a push technology. It's closer to Twitter than to Facebook.