David Deutsch

Every problem that is interesting is also soluble.

It is possible to build a virtual-reality generator whose repertoire includes every possible environment.

Quantum computation is... a distinctively new way of harnessing nature... It will be the first technology that allows useful tasks to be performed in collaboration between parallel universes.

It is characteristic of science that the full explanations are often seized in their essence by the percipient scientist long in advance of any possible proof.

Theorists can create all sorts of theories which go beyond the Standard Model. But there's not one bit of experimental evidence to point out which way you should go.

I'm a big action junkie. I grew up on the '80s action movies - the bad ones and the good ones.