Well, within the next 15 years, we could start seeing real spectroscopic information from promising nearby planets that will reveal just how life-friendly they might be.
I have been teaching for a long time, and in doing so have acquired a body of knowledge about kids and learning that I really wish more people would understand about the potential of students.
It's in our hands, and we have all the potential here to change the lives of future generations -- not only for the soldiers, or for Amanda here and all the wheelchair users, but for everyone.
He begins this speech, which was tape recorded in Cambridge shortly before he died -- he begins by explaining how science works through the testing of hypotheses that are framed to be vulnerable to disproof, and then he goes on.
He won't call himself an atheist because it's, in principle, impossible to prove a negative, but "agnostic" on its own might suggest that God's existence was therefore on equal terms of likelihood as his non-existence.
I think that it's telling us that there's new possibilities for self-assembly, replication, repair in our physical structures, our buildings, machines.
This opened up a whole new world of possibilities for me, and after playing with the software development kit a little bit, I made a couple of apps, I made some test apps.
We should, in fact, because without having this possibility of conscious minds, we would have no knowledge whatsoever about our humanity; we would have no knowledge whatsoever about the world.
And to make sure you didn't realize, or didn't enact their capabilities as general purpose computing devices, they also made it illegal for you to try to reset the copyability of that content.
Because back to the whole relationship issue, what they figured out through this exercise was that a simple mistake can tell me what you're not, or it can remind me of why I should love you.
They decided that he shouldn't be held indefinitely because he scores high on a checklist that might mean that he would have a greater than average chance of recidivism.
Because autistic or not, the differences that we have -- We've got a gift! Everyone's got a gift inside of us, and in all honesty, the pursuit of normality is the ultimate sacrifice of potential.
I know that it could sound pretty weird to speak about mono when the number of possibilities is so huge, but I push you to consider the option of focusing on just one task, or maybe turning your digital senses totally off.
What I've come to realize about Afghanistan, and this is something that is often dismissed in the West, that behind most of us who succeed is a father who recognizes the value in his daughter and who sees that her success is his success.
(Laughter) We all create our own lives through this restless process of imagining alternatives and possibilities, and one of the roles of education is to awaken and develop these powers of creativity.
Right beneath the surface are these seeds of possibility waiting for the right conditions to come about, and with organic systems, if the conditions are right, life is inevitable.
Maybe we should be asking ourselves, is it possible that insulin resistance causes weight gain and the diseases associated with obesity, at least in most people?
I'm looking for a guy between the ages of 30 and 36, which was only four percent of the population, so now I'm dealing with the possibility of 30, 000 men.
You have no way of assuring that there will be another moment given to you, and yet, that's the most valuable thing that can ever be given to us, this moment, with all the opportunity that it contains.
They are women and men who are preparing themselves not for the comfortable predictability of yesterday but also for the realities of today and all of those unknown possibilities of tomorrow.
We place such a premium on our free will and our independence that the prospect of losing those qualities to forces unseen informs many of our deepest societal fears.
It then categorizes and organizes all that information, associates it with everything in the past we've ever learned, and projects into the future all of our possibilities.
And if you take me and a chimpanzee and put us together on some lonely island, and we had to struggle for survival to see who survives better, I would definitely place my bet on the chimpanzee, not on myself.
(Laughter) As computers become better and better in more and more fields, there is a distinct possibility that computers will out-perform us in most tasks and will make humans redundant.
For example, one of the closest planets that could support surface water -- it's called Gliese 667 Cc -- such a glamorous name, right, nice phone number for a name -- it's 23 light years away.
We believe that life arose spontaneously on the Earth, so it must be possible for life to appear on other suitable planets, of which there seem to be a large number in the galaxy.
Chris Anderson: Professor, if you had to guess either way, do you now believe that it is more likely than not that we are alone in the Milky Way, as a civilization of our level of intelligence or higher?
Stephen Hawking: I think it quite likely that we are the only civilization within several hundred light years; otherwise we would have heard radio waves.
If gasoline use is less restricted by cost, this could also cause a huge surge in air pollution, an unintended consequence that's important to think about.
One of the most effective anti-smoking ads was done by the Department of Health Services, showing that nicotine, which constricts your arteries, can cause a heart attack or a stroke, but it also causes impotence.
All life on Earth requires water, so in my case I focus on the intimate relationship between water and life in order to understand if we could find life in a planet as dry as Mars.
But even here, well hidden underground, we found a number of different microorganisms, which suggested to me that similarly dry places, like Mars, may be inhabited.
And at that time two years ago I mentioned that we were speculating that these jets might in fact be geysers, and erupting from pockets or chambers of liquid water underneath the surface, but we weren't really sure.
However, the implications of those results -- of a possible environment within this moon that could support prebiotic chemistry, and perhaps life itself -- were so exciting that, in the intervening two years, we have focused more on Enceladus.
We walked into the offices of the municipal corporation, the police, the press, businesses, and basically said, "When are you going to wake up and recognize the potential that resides in every child?
He said I was throwing my life away if that's all I chose to do with it; that I should go to college, I should become a professional person, that I had great potential and I was wasting my talent to do that."
And one more child who has been misdiagnosed or even undiagnosed by the system will finally realize his or her true potential while there's still time for his or her brain to recover.
When you think of the future then, do you think it's more likely to be Big Brother exerting more control, more secrecy, or us watching Big Brother, or it's just all to be played for either way?
No matter where we're from and what your narrative is, we all have a responsibility to open ourselves up to a wider array of what choice can do, and what it can represent.
It brings us that much closer to realizing the full potential of choice, to inspiring the hope and achieving the freedom that choice promises but doesn't always deliver.
But of all the dire news that you'll hear and that you have heard about the state of our oceans, I have the unfortunate burden of delivering to you possibly the very worst of it and that is this whole time your mother was right.
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Well, within the next 15 years, we could start seeing real spectroscopic information from promising nearby planets that will reveal just how life-friendly they might be. 