Werner Heisenberg — "The world is not composed of 'things' but of 'events'."
The world is not composed of 'things' but of 'events'.
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Understanding this quote
What it means
Reality isn't made of solid, static objects sitting in space. Instead, it's built from happenings, interactions, and processes unfolding over time. What we call a 'thing' is really a pattern of activity, a stable sequence of events we perceive as an object. Rocks, atoms, even people are ongoing processes rather than fixed stuff. To understand reality, look at what happens, not what sits still.
Relevance to Werner Heisenberg
Heisenberg founded quantum mechanics and formulated the uncertainty principle in 1927, which showed particles lack definite position and momentum simultaneously. His matrix mechanics treated observable events, not hidden properties, as fundamental. He argued electrons don't have trajectories between measurements, only interactions. This quote captures his lifelong philosophical stance that physics describes processes and observations, not underlying substances, aligning with his Copenhagen interpretation and readings of Greek philosophy.
The era
Early 20th-century physics overturned Newton's clockwork universe of solid particles moving through absolute space. Between 1900 and 1930, relativity and quantum theory dissolved classical notions of matter, time, and causality. Heisenberg worked amid Weimar Germany's scientific ferment, later under Nazi rule and WWII atomic research. Philosophers, physicists, and process thinkers like Whitehead were simultaneously rejecting substance metaphysics, reshaping Western thought toward dynamic, relational, event-based descriptions of nature.
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