It is that of increasing knowledge of empirical fact, intimately combined with changing interpretations of this body of fact - hence changing general statements about it - and, not least, a changing a structure of the theoretical system.
In our system leadership is by consent, not command. To lead a President must persuade. Personal contacts and experiences help shape his thinking. They can be critical to his persuasiveness and thus to his leadership.
I have run a general election campaign pregnant and ran Ed Miliband's leadership campaign commuting to London with a new baby so I already have my system set up.
Dark energy is incredibly strange, but actually it makes sense to me that it went unnoticed, because dark energy has no effect on daily life, or even inside our solar system.
If the process of life is about moving toward increased complexity and organization, a sort of sublime unfolding of greater and greater self-organizing systems, then we're actually doing pretty well.
We're really going after truly creating sustainability of a disease-free state, creating a complete system for managing cancer patients for life, so that you can manage from onset of disease all the way through.
Any astronaut can tell you you've got to do everything you can to learn about your life support system and then do everything you can to take care of it.
Obviously, I have certain policy positions that I push and advocate for that would benefit people dealing in a system that breeds inequality and makes life more difficult for people.
The U.S. immigration system is the most generous in the world, providing each year more green cards for legal permanent residence with a clear path to full citizenship than all the rest of the nations of the world combined.
Not a problem kid or anything like that so when you're in the legal system like that, it's always hard on a person for the first time to go through some things like that.
It's impossible to walk a block in Miami, in Los Angeles, San Antonio without running into someone who is being deeply impacted by a broken legal immigration system.
Every generation gets the Constitution that it deserves. As the central preoccupations of an era make their way into the legal system, the Supreme Court eventually weighs in, and nine lawyers in robes become oracles of our national identity.
Now more than ever is the time to really work on learning a money management system that can work, no matter how low things seem right now.
Most of the secrets the CIA has are about people, not machines and systems, so I didn't feel comfortable with disclosures that I thought could endanger anyone.
I think having a national system that tracks who owns guns is fine. I don't think we need to be printing it on the Internet.
If nobody can sell mortgage-backed securities based on trillions of dollars of unpayable instruments, there's a lot less risk in the overall system.
Raising the minimum wage means we have workers paying more in to support the Social Security system.
Though I have friends aplenty in academia, I don't operate within the academic system myself.
The biggest thing that concerns me is when we start getting countries using cybercrime to shut down infrastructure, electricity, communications systems, the Internet, et cetera.
When plunder becomes a way of life for a group of men in a society, over the course of time they create for themselves a legal system that authorizes it and a moral code that glorifies it.
The PhD system is the real root of the evil of academic snobbery. People who have PhDs consider themselves a priesthood, and inventors generally don't have PhDs.
