We had a mission at PayPal - which was to create a new financial system, a new world currency, and we failed. We were a financial success, but we didn't succeed at the purpose of our company.

Halcyon people have put aside and left their homes, their million dollar salaries, full professorships at major universities, and fully seed-funded startup companies to be part of this effort.

I have realised more and more that great companies, founded for a long-term purpose, such as Google or Facebook or SpaceX, may do more good in the world than any other vehicle that we have.

As I became a venture capitalist, it's almost like I went to the dark side for a while.

I'd like to see a world where there are so many Latina women leaders - and women of all different backgrounds - in the top jobs around the country. When that happens, we've succeeded.

There have been too few women in leadership because they haven't had the opportunities.

Osama bin Laden fervently hoped that attacking the United States would create pressure on American leaders to reduce their support for Middle Eastern regimes. Bin Laden believed that without that American support, the Arab regimes would collapse and would be replaced by Taliban-style rulers.

In order to cultivate a set of leaders with legitimacy in the eyes of the citizenry, it is necessary that the path to leadership be visibly open to talented and qualified individuals of every race and ethnicity.