Control by experiment... is, of course, an essential prerequisite of the validity of any theory. But one can't possibly test everything. That is why I am so interested in your remarks about simplicity. Still, I should never claim that I really understood what is meant by the simplicity of natural laws.


In: Werner Heisenberg, Physics and Beyond: Encounters and Conversations, Chapter 5 (p. 69)


Control by experiment... is, of course, an essential prerequisite of the validity of any theory. But one can't possibly test everything. That is why...

Control by experiment... is, of course, an essential prerequisite of the validity of any theory. But one can't possibly test everything. That is why...

Control by experiment... is, of course, an essential prerequisite of the validity of any theory. But one can't possibly test everything. That is why...

Control by experiment... is, of course, an essential prerequisite of the validity of any theory. But one can't possibly test everything. That is why...