De,
I think its wonderful that you are investing time in reading and especially about things like the Theory of Relativity.
Do not feel alone in not understanding many of the thoughts or statements made by Einstein. The numbers are relatively small for those that actually do know what he is saying..
I am not among them. Too much thinking at too high of a level. It would be ahuge blessing imo to be able to have comprehension and complete understanding of and hold a conversation with someone like Albert Einstein.
That Israeli physicist I had to escort and be his companion all day when he was visiting the U.S. was enough for me. Extremely polite and very nice person..
Except he had to dumb down his conversation for me to follow him...
SO hats off to ya for reading Albert Einstein..