Like every other destruction of optimism, whether in a whole civilisation or in a single individual, these must have been unspeakable catastrophes for those who had dared to expect progress. But we should feel more than sympathy for those people.… — David Deutsch Copy Share Image
I chop and change between what is called 'work' and what is called 'recreation.' There are no discontinuities in my day. I only play tennis with people I find interesting. — David Deutsch Copy Share Image
“an unproblematic state is a state without creative thought. Its other name is death.” — David Deutsch Copy Share Image
The truly privileged theories are not the ones referring to any particular scale of size or complexity, nor the ones situated at any particular… — David Deutsch Copy Share Image
To me quantum computation is a new and deeper and better way to understand the laws of physics, and hence understanding physical reality as… — David Deutsch Copy Share Image
“Amending the ‘data’, or rejecting some as erroneous, is a frequent concomitant of scientific discovery, and the crucial ‘data’ cannot even be obtained until… — David Deutsch Copy Share Image
Like every other destruction of optimism, whether in a whole civilisation or in a single individual, these must have been unspeakable catastrophes for those… — David Deutsch Copy Share Image
Time travel may be achieved one day, or it may not. But if it is, it should not require any fundamental change in world-view,… — David Deutsch Copy Share Image
The quantum theory of parallel universes is not the problem, it is the solution. It is not some troublesome, optional interpretation emerging from arcane… — David Deutsch Copy Share Image
“The scientific revolution was part of a wider intellectual revolution, the Enlightenment, which also brought progress in other fields, especially moral and political philosophy,… — David Deutsch Copy Share Image
Quantum computation is... a distinctively new way of harnessing nature... It will be the first technology that allows useful tasks to be performed in… — David Deutsch Copy Share Image
I myself believe that there will one day be time travel because when we find that something isn't forbidden by the over-arching laws of… — David Deutsch Copy Share Image
“To interpret dots in the sky as white-hot, million-kilometre spheres, one must first have thought of the idea of such spheres. And then one… — David Deutsch Copy Share Image
