The words spoken by the leader of the free world can expand the frontiers of freedom or shrink them. When Ronald Reagan called on Gorbachev to 'tear down this wall ' a surge of confidence rose that would ultimately breach the bounds of the evil empire.
That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. But it's worth it in the end because once you get there you can move mountains.