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."
Greatness is not given, it’s earned.
The only purpose for which power can be rightfully exercised over any member of a civilized community， against his will， is to prevent harm to others.
"Books are the windows to other perspectives."
