I want the public as well as libraries and schools to enjoy unlimited access to public-domain books. This means no charges for these kind of texts themselves.
Never, ever rest on your laurels. Today's laurels are tomorrow's compost.
Effective visions are lived in details, not broad strokes.
Perception is all there is. If the customer think he's right, he's right.
Portability of lots of information should not be underestimated.
Passion. The life of an entrepreneur is occasionally exhilarating, and almost always exhausting. Only unbridled passion for the concept is likely to see you through the 17-hour days (month after month) and the painful mistakes that are part and parcel of the start-up process.