If the Ivy League was the breeding ground for the elites of the American Century, Stanford is the farm system for Silicon Valley.

Zuckerberg had the good sense to know both his own limitations and interests. He wanted an executive who would free him to do what he loved: code, and enhancing the Facebook platform.

Without vision, even the most focused passion is a battery without a device.

Passion without focus can lead you astray.

If the Ivy League was the breeding ground for the elites of the American Century, Stanford is the farm system for Silicon Valley.

There's a bias on hiring the best engineers wherever they come from. It does seem like a lot of the non-engineering execs come from Ivy League schools, as is true in much of corporate America and government.

Always point your finger at the chest of the person with whom you are being photographed. You will appear dynamic. And no photo editor can crop you from the picture.