We need to start thinking about the Future of Food if we are going to feed 9 billion people in a way that does not destroy our environment.

Students deserve great teachers. And teachers deserve the support they need to become great.

Once you embrace unpleasant news, not as a negative but as evidence of a need for change, you aren't defeated by it. You're learning from it.

I love building the products, seeing people use the products but you know along with success comes the need for a dialogue with the government.

You need to understand things in order to invent beyond them.

The willingness to hear hard truth is vital not only for CEOs of big corporations but also for anyone who loves the truth. Sometimes the truth sounds like bad news, but it is just what we need.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

One thing I've always loved about the culture at Microsoft is there is nobody who is tougher on us, in terms of what we need to learn and do better, than the people in the company itself. You can walk down these halls, and they'll tell you, 'We need to do usability better, push this or that frontier.'

Only a few businesses will succeed by having the lowest price, so most will need a strategy that includes customer services.