I believe it is a religious duty to get all the money you can, fairly and honestly; to keep all you can, and to give away all you can.

In business or out of it, there's nothing unusual or shameful about making a mistake - once. But… to stumble twice against the same stone is a proverbial disgrace.

I suppose my formula might be: dream, diversify and never miss an angle.

You don't need to have a 100 person company to develop that idea.

The man who does not work for the love of work, but only for money, is likely to neither make money nor find much fun in life.

Excellence matters, and technology advances so fast that the potential for improvement is tremendous. So, since becoming CEO again, I've pushed hard to increase our velocity, improve our execution, and focus on the big bets that will make a difference in the world.