The human race shouldn't have all its eggs in one basket, or on one planet. Let's hope we can avoid dropping the… — Stephen Hawking Copy Share Image
Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change… — Stephen Hawking Copy Share Image
If the rate of expansion one second after the Big Bang had been smaller by even one part in a hundred thousand… — Stephen Hawking Copy Share Image
In his eyes shone the reflection of the most beautiful planet in the Universe---a planet that is not too hot and not… — Stephen Hawking Copy Share Image
I think the human race doesn't have a future if we don't go into space. We need to expand our horizons beyond… — Stephen Hawking Copy Share Image
One can see from space how the human race has changed the Earth. Nearly all of the available land has been cleared… — Stephen Hawking Copy Share Image
The human race is just a chemical scum on a moderate-sized planet, orbiting around a very average star in the outer suburb… — Stephen Hawking Copy Share Image
In the last 200 years the population of our planet has grown exponentially, at a rate of 1.9% per year. If it… — Stephen Hawking Copy Share Image
Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space. — Stephen Hawking Copy Share Image
We only have to look at ourselves to see how intelligent life might develop into something we wouldnt want to meet. I… — Stephen Hawking Copy Share Image
I think [contacting an alien civilization] would be a disaster. The extraterrestrials would probably be far in advance of us. The history… — Stephen Hawking Copy Share Image
Not to leave planet Earth would be like castaways on a desert island not trying to escape...Sending humans to other planets ...… — Stephen Hawking Copy Share Image
I believe that the long-term future of the human race must be space and that it represents an important life insurance for… — Stephen Hawking Copy Share Image
Our population and our use of the finite resources of planet Earth are growing exponentially, along with our technical ability to change… — Stephen Hawking Copy Share Image
I don't think the human race will survive the next thousand years, unless we spread into space. There are too many accidents… — Stephen Hawking Copy Share Image
We think that life develops spontaneously on Earth, so it must be possible for life to develop on suitable planets elsewhere in… — Stephen Hawking Copy Share Image
If we can avoid disaster for the next two centuries, our species should be safe as we spread into space. If we… — Stephen Hawking Copy Share Image
The idea that we are alone in the universe seems to me completely implausible and arrogant, considering the number of planets and… — Stephen Hawking Copy Share Image
There is a very real danger that we will kill everything on this planet now that we have the technological power to… — Stephen Hawking Copy Share Image
Though we feel we can choose what we do, our understanding of the molecular basis of biology shows that biological processes are… — Stephen Hawking Copy Share Image
There are too many accidents that can befall life on a single planet. — Stephen Hawking Copy Share Image
The large-scale homogeneity of the universe makes it very difficult to believe that the structure of the universe is determined by anything… — Stephen Hawking Copy Share Image
The doctor who diagnosed me with ALS, or motor neuron disease, told me that it would kill me in two or three years. — Stephen Hawking Copy Share Image
We are the product of quantum fluctuations in the very early universe. — Stephen Hawking Copy Share Image
The human race does not have a very good record of intelligent behavior. — Stephen Hawking Copy Share Image
“We have finally found something that doesn’t have a cause, because there was no time for a cause to exist in. For me this… — Stephen Hawking Copy Share Image
[On President Bush's plan to get to Mars in 10 years] Stupid. Robots would do a better job and be much cheaper because you… — Stephen Hawking Copy Share Image
I believe the simplest explanation is, there is no God. No one created the universe and no one directs our fate. This leads me… — Stephen Hawking Copy Share Image
The Paralympic Games is about transforming our perception of the world. — Stephen Hawking Copy Share Image
The increase of disorder or entropy is what distinguishes the past from the future, giving a direction to time. — Stephen Hawking Copy Share Image
Most sets of values would give rise to universes that, although they might be very beautiful, would contain no one able to wonder at… — Stephen Hawking Copy Share Image
There is a fundamental difference between religion, which is based on authority, and science, which is based on observation and reason. Science will win… — Stephen Hawking Copy Share Image
“In the eighteenth century, philosophers considered the whole of human knowledge, including science, to be their field and discussed questions such as: Did the… — Stephen Hawking Copy Share Image
A model is a good model if first it interprets a wide range of observations in terms of a simple and elegant model, and… — Stephen Hawking Copy Share Image
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