Werner Heisenberg — "The decision to break with the tradition of classical physics was a very difficu…"
The decision to break with the tradition of classical physics was a very difficult one.
Get This Quote & Author's Image Illustrated On:
Click any product to generate a realistic preview. Up to 3 at a time.
* Initial load can take up to 90 seconds — revising the preview in another color is nearly instant.
Kitchen
Apparel
Other
More from Werner Heisenberg
"The path to paradise begins in hell."
"I remember discussions with Bohr which went through many hours till very late at night and ended almost in despair; and when at the end of the discussion I went alone for a walk in the neighboring par…"
"Physics does not consist only of atomic research, science does not consist only of physics, and life does not consist only of science. The aim of atomic research is to fit our empirical knowledge conc…"
"We wouldn't have had the moral courage to recommend to the government in the spring of 1942 that they should employ 120,000 men just for building the thing up."
"Modern physics has, in a certain sense, revived Plato's philosophy of forms in the atomic world."
Details
Recalling the intellectual struggle of quantum theory's development
Date: 1958 (Physics and Beyond)
EducationalVerification
Unverifiable
Found in 1 providers: grok
1 source checked
Understanding this quote
What it means
Abandoning long-held scientific ideas is painful, even when evidence demands it. Heisenberg is admitting that rejecting the deterministic, mechanical worldview of Newton and Maxwell wasn't a triumphant leap but a reluctant surrender. Trained minds resist overturning frameworks that have explained nature for centuries. Progress in physics required not just new math but the emotional willingness to let go of intuitive certainty about how reality behaves at every scale.
Relevance to Werner Heisenberg
Heisenberg personally executed this break in 1925 when he formulated matrix mechanics on Heligoland, replacing visualizable orbits with abstract observables. His 1927 uncertainty principle dismantled the assumption that particles have simultaneous definite position and momentum. Coming from Sommerfeld's classical training in Munich, he understood exactly what was being discarded. The quote reflects his lifelong tension between respecting physics' heritage and following equations wherever they led, even into philosophical territory that unsettled Einstein.
The era
The 1920s shattered classical certainty across disciplines. Einstein's relativity had already bent space and time; Bohr's Copenhagen circle was wrestling with atomic spectra that Newtonian mechanics couldn't explain. Blackbody radiation, the photoelectric effect, and electron diffraction demanded a probabilistic framework. Simultaneously, Weimar Germany was intellectually fertile but politically unstable. Heisenberg worked amid this upheaval alongside Bohr, Born, and Pauli, building quantum theory while Europe itself was breaking with its pre-war traditions in art, politics, and philosophy.
AI-generated insights based on extensive research and information for context. Factual errors? Email [email protected].