“ Natural science, does not simply describe and explain nature; it is part of the interplay between nature and ourselves. ”

— Werner Heisenberg

“ An expert is someone who knows some of the worst mistakes that can be made in his subject, and how to avoid them. ”

— Werner Heisenberg

“ Ce que nous observons, ce n'est pas la Nature en soi, mais la Nature exposée à notre méthode d'investigation. ”

— Werner Heisenberg