In almost every area of human endeavor, the practice improves over time. That hasn't been the case for teaching.

We are always saying to ourself.. we have to innovate. We got to come up with that breakthrough... we're only paid for breakthroughs.

At Microsoft there are lots of brilliant ideas but the image is that they all come from the top - I'm afraid that's not quite right.

The most impactful dollars that Australia can spend are actually what goes to help the poorest.

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.

There certainly is a case to be made that taxes should be more progressive.

The government is there day in and day out, if you want all kids to have education, if you want to run courts, if you want to have an army, if you want to have roads, you've got to have the taxation system that funds everything that you expect.