Thing, Body, Matter, Are Nothing Apart From

Strange As It May Sound, The Power Of Mathematics Rests On Its Evasion Of All Unnecessary Thought And On Its Wonderful Saving Of Mental Operations.

It Would Not Become Physical Science To See In Its Self Created, Changeable, Economical Tools, Molecules And Atoms, Realities Behind Phenomena... The Atom Must Remain A Tool For Representing Phenomena.

Science Always Has Its Origin In The Adaptation Of Thought To Some Definite Field Of Experience.

A Movement That We Will To Execute Is Never More Than A Represented Movement, And Appears In A Different Domain From That Of The Executed Movement, Which Always Takes Place When The Image Is Vivid Enough.

What Mach Calls A Thought Experiment Is Of Course Not An Experiment At All. At Bottom It Is A Grammatical Investigation.