Cosmic Quote by David Deutsch

“an unproblematic state is a state without creative thought. Its other name is death.”

— David Deutsch

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

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

“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

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

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

Every problem that is interesting is also soluble.

— David Deutsch

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

“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

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

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

“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