"The concept of 'measurement' becomes so fuzzy on reflection that it is quite surprising to have it appearing in physical theory at the most fundamental level ... does not any analysis of measurement require concepts more fundamental than measurement? And should not the fundamental theory be about these more fundamental concepts?"

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Analysis of rebellion leads at least to the suspicion that, contrary to the postulates of contemporary thought, a human nature does exist, as the Greeks believed. Why rebel if there is nothing permanent in oneself worth preserving? ... Rebellion, though apparently negative, since it creates nothing, is profoundly positive in that it reveals the part of man which must always be defended.

— Albert Camus