Conquering matter is to understand it, and understanding matter is necessary to understanding the universe and ourselves: and that therefore Mendeleev's Periodic Table, which just during those weeks we were learning to unravel, was poetry.
Primo LeviThe bond between a man and his profession is similar to that which ties him to his country; it is just as complex, often ambivalent, and in general it is understood completely only when it is broken: by exile or emigration in the case of one's country, by retirement in the case of a trade or profession.
Primo LeviIt is this refrain that we hear repeated by everyone: you are not at home, this is not a sanatorium, the only exit is by way of the Chimney. (What did it mean? Soon we were all to learn what it meant.)
Primo Levi