The data is clear: If you give a woman an opportunity, she will make a huge difference.

I have been tested in many ways, personally, I have beaten breast cancer, I buried a child to addiction. Professionally, you cannot go from being a secretary of nine-person real estate firm to the chief executive of the largest technology company in the world without having been tested over and over and over.

Leadership comes in small acts as well as bold strokes.

We need to ensure that the government agencies that are supposed to be regulating the financial system are actually doing their jobs. We must shrink the federal government and hold it accountable - and to do that, we need a leader who understands how bureaucracies work and how to cut them down to size.

Do not be afraid to make decisions, do not be afraid to make mistakes.

You know, I believe that marriage is between a man and a woman.

When we miss with all the metadata collection we've had, the San Bernardino couple and the Tsarnaev brothers, what that suggests to me is that we are using the wrong algorithms to search through all this data.