Max Planck — "When you change the way you look at things, the things you look at change."
When you change the way you look at things, the things you look at change.
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More from Max Planck
"The history of science shows that even the most firmly established theories can be overturned by new discoveries."
"The world of sense experience is not the only world."
"The creative scientist has to be a man of faith. He must have faith in his results, and in the laws of nature."
"Truth never triumphs—its opponents just die out."
"A scientific truth is not a truth that is true in all possible worlds, but a truth that is true in our world."
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Understanding this quote
What it means
Your perception shapes your reality. When you shift your mindset, assumptions, or framework for interpreting something, the thing itself appears different to you. The external world may not have changed, but your understanding of it has, which effectively transforms what you experience. New perspectives reveal details, meanings, and possibilities that were invisible under the old viewpoint, so changing how you see is itself a form of changing what exists for you.
Relevance to Max Planck
Planck upended classical physics by abandoning the assumption that energy flows continuously, proposing instead that it comes in discrete quanta. That reframing birthed quantum theory and overturned two centuries of Newtonian certainty. He literally changed how physicists looked at energy and matter, and the universe they studied changed with them. A deeply reflective man who also wrestled with philosophy and faith, Planck understood that scientific revolutions are fundamentally shifts in perception before they are shifts in equations.
The era
Planck worked from the late 1800s through the early 1900s, an era when Newtonian physics was thought nearly complete. His 1900 quantum hypothesis, alongside Einstein's relativity, shattered that confidence and launched modern physics. It was also a turbulent period spanning two world wars, the rise of Nazism, and the loss of his son to the Gestapo. Against this backdrop of upheaval, reframing reality was not abstract philosophy but a survival skill for scientists and civilians alike.
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