The people and the mindset that killed 3 000 of our fellow citizens on September 11 2001 would have killed not 3 0 but 300 000 if they could have or 3 million or 30 million. We need to do everything we can within our value systems and legal structures to make sure that doesn't happen.

In the early centuries of Islam the great schools of Islamic jurisprudence were built upon the above principles. Basic to all their legal systems they developed the doctrine that liberty is the fundamental basis of law.

I had been here five years already training very hard learning about the systems the shuttle the station systems. But everything really became real when I started to work with them.

No phenomenon can be isolated but has repercussions through every aspect of our lives. We are learning that we are a fundamental part of nature's ecosystems.

When David Marr at MIT moved into computer vision he generated a lot of excitement but he hit up against the problem of knowledge representation he had no good representations for knowledge in his vision systems.

This crisis exposed very significant problems in the financial systems of the United States and some other major economies. Innovation got too far out in front of the knowledge of risk.

While many hackers have the knowledge skills and tools to attack computer systems they generally lack the motivation to cause violence or severe economic or social harm.

Building technical systems involves a lot of hard work and specialized knowledge: languages and protocols coding and debugging testing and refactoring.

Since September 11th Congress has created the Department of Homeland Security more than doubled the homeland security budget and implemented a bipartisan overhaul of our intelligence systems.

It's a different outlook and one that I understand. When you are a former member of the Warsaw Pact when you have lived behind the Berlin Wall when you have experienced the communist systems that existed in these countries for them the West represents hope.

Everyone knows that exercise can improve your health. Exercise is a key part of managing your weight and maintaining healthy hearts lungs and other bodily systems. But did you know that exercise can make you more productive? The latest research shows that a regular exercise routine can make you happier smarter and more energetic.

It is imperative for the health and safety of millions of workers that we ensure that breathing systems needed for protection are widely available convenient and economical.

As the GAO report recognizes the long-term health of our forests relies on additional fuel reduction options and funding to reduce the risks that catastrophic fire poses to our nation's ecosystems communities and federal budgetary resources.

There are a range of associated impacts related to increasing temperatures which affect both evaporation rates and river systems which are already over stressed and these will hit farming communities and the health of crop lands.

We are losing our living systems social systems cultural systems governing systems stability and our constitutional health and we're surrendering it all at the same time.

The biggest public health challenge is rebuilding health systems. In other words if you look at cholera or maternal mortality or tuberculosis in Haiti they're major problems in Haiti but the biggest problem is rebuilding systems.

No way no how did I break into NORAD. That's a complete myth. And I never attempted to access anything considered to be classified government systems.

History proves that all dictatorships all authoritarian forms of government are transient. Only democratic systems are not transient. Whatever the shortcomings mankind has not devised anything superior.

This is actually a very important principle that science is learning about large systems like evolution and that futurists are learning about anticipating human society: just because a future scenario is plausible doesn't mean we can get there from here.

As long as I do a good job I believe the future is going to take care of itself but actually I like very much being in elected office and there is no consideration about doing anything different until I can be assured that we are going to have the best voting systems in the country.

We cannot expect that all nations will adopt like systems for conformity is the jailer of freedom and the enemy of growth.

Local and regional food systems are about opportunity.

Today if you look at financial systems around the globe more than half the population of the world - out of six billion people more than three billion - do not qualify to take out a loan from a bank. This is a shame.

I think however that so long as our present economic and national systems continue scientific research has little to fear.