Related:

• Every tool carries with it the spirit by which it had been created.
  -- Werner Karl Heisenberg (1901-1976) German physici...
• Even for the physicist the description in plain language will be a criterion of the degree of understanding that has been reached.
  -- Werner Karl Heisenberg (1901-1976) German physici...
• What we observe is not nature itself, but nature exposed to our method of questioning.
  -- Werner Karl Heisenberg (1901-1976) German physici...
• An expert is someone who knows some of the worst mistakes that can be made in his subject and how to avoid them.
  -- Werner Karl Heisenberg (1901-1976) German physici...
• Since the measuring device has been constructed by the observer.
  ..we have to remember that what we observe is not nature in itself, but nature exposed to our method of questioning....
• ..and it's finished! It only has to be written." -- Karl Lehenbaue
• Heisenberg may have done it.
• The concept seems to be clear by now. It has been defined several times by examples of what it is not.