knowledge Quotes

Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'

Some people would claim that things like love, joy and beauty belong to a different category from science and can't be described in scientific terms, but I think they can now be explained by the theory of evolution.

The whole history of science has been the gradual realization that events do not happen in an arbitrary manner, but that they reflect a certain underlying order, which may or may not be divinely inspired.

I had not expected 'A Brief History of Time' to be a best seller.

I believe things cannot make themselves impossible.

The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to minus 271.3*C - not much good for defrosting the pizza, let alone cooking it.

It's time to commit to finding the answer, to search for life beyond Earth. Mankind has a deep need to explore, to learn, to know. We also happen to be sociable creatures. It is important for us to know if we are alone in the dark.

Science predicts that many different kinds of universe will be spontaneously created out of nothing. It is a matter of chance which we are in.

It was Einstein's dream to discover the grand design of the universe, a single theory that explains everything. However, physicists in Einstein's day hadn't made enough progress in understanding the forces of nature for that to be a realistic goal.

I hope I have helped to raise the profile of science and to show that physics is not a mystery but can be understood by ordinary people.