On marketing: "In the old world， you devoted 30% of your time to building a great service and 70% of your time to shouting about it. In the new world， that inverts."

The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.

To speak ill of others is a dishonest way of praising ourselves.

Technology is a tool, creativity is the soul.