Bill Gates is a relative newcomer to the fight against global warming but he's already shifting the debate over climate change.

Kids are a huge sacrifice they change everything - but I'm ready to work for things of greater importance than going out to meet someone for dinner at 10 o'clock at night.

Never doubt that you can change history. You already have.

Women have a lot of power in private life. There are many men who would say 'Hey women already rule my life.' But with women more is more. The more there are the more the world gets used to seeing them. We change the culture. We begin to expand options and lead and manage.

I was away from the front lines for a while this spring living with other troops and considerable fighting took place while I was gone. When I got ready to return to my old friends at the front I wondered if I would sense any change in them.

Someday perhaps change will occur when times are ready for it instead of always when it is too late. Someday change will be accepted as life itself.

Being ready isn't enough you have to be prepared for a promotion or any other significant change.

Millions of young Americans have graduated from college during the Obama presidency ready to use their gifts and get moving in life. Half of them can't find the work they studied for or any work at all. So here's the question: Without a change in leadership why would the next four years be any different from the last four years?

One of my favorite philosophical tenets is that people will agree with you only if they already agree with you. You do not change people's minds.

We live in a moment of history where change is so speeded up that we begin to see the present only when it is already disappearing.