“an unproblematic state is a state without creative thought. Its other name is death.” — 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 who had dared to expect progress. But we should feel more than sympathy for those people. We should take it personally. For if any of those earlier experiments in optimism had succeeded, our species would be… — David Deutsch Copy Share
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, and in the institutions of society. Unfortunately, the term ‘the Enlightenment’ is used by historians and philosophers to denote a variety of different trends, some of them violently opposed to each other. What I mean by… — David Deutsch Copy Share
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
