"Science is the belief in the ignorance of experts".
Richard Feynman: address "What is Science?", presented at the fifteenth annual meeting of the National Science Teachers Association, in New York City (1966), published in The Physics Teacher, volume 7, issue 6 (1969), p. 313-320

“Thus, in scientific research, a great deal of our thinking is in terms of theories. The word ‘theory’ derives from the Greek ‘theoria’, which has the same root as ‘theatre’, in a word meaning ‘to view’ or ‘to make a spectacle’. Thus, it might be said that a theory is primarily a form of insight, i.e. a way of looking at the world, and not a form of knowledge of how the world is.”
― David Bohm, Wholeness and the Implicate Order

"The reason Dick's [Richard Feynman] physics was so hard for ordinary people to grasp was that he did not use equations.

The usual theoretical physics was done since the time of Newton was to begin by writing down some equations and then to work hard calculating solutions of the equations.

This was the way Hans [Bethe] and Oppy [Oppenheimer] and Julian Schwinger did physics. Dick just wrote down the solutions out of his head without ever writing down the equations.

He had a physical picture of the way things happen, and the picture gave him the solutions directly with a minimum of calculation.

It was no wonder that people who had spent their lives solving equations were baffled by him. Their minds were analytical; his was pictorial".
— Freeman Dyson
Quoted in Michio Kaku and Jennifer Trainer Thompson, Beyond Einstein: the Cosmic Quest for the Theory of the Universe (1987, 1999), 56-57, citing Freeman Dyson, Disturbing the Universe (1979, 1981), 55-56

Skill One

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Skill Two

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Skill Three

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