In the empirico-criticism philosophy (which influenced general relativity), the real cannot be understood outside of one's sensations https://en.wikipedia.org/

In the empirico-criticism philosophy (which influenced general relativity), the real cannot be understood outside of one's sensations https://en.wikipedia.org/wiki/Ernst_Mach#Philosophy_of_science https://en.wikipedia.org/wiki/Ernst_Mach#Philosophy_of_scien...