I have an excellent memory, a most excellent memory.

The most amazing philanthropists are people who are actually making a significant sacrifice.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

Your most unhappy customers are your greatest source of learning.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is the most important.

Windows is probably the most important product in the entire PC industry. Everything we do in terms of supporting touch, new hardware, accessibility has incredible impact.