The acquisition of a new truth is like the acquisition of a new sense, which renders a man capable and recognizing a large number of phenomena that are hidden from another, as they were from him originally.
Chemische Briefe (1851) Full Text (quote's translation probably by Martin H. Fischer); quoted in Physical Chemistry in the Service of Medicine (1907), Wolfgang Pauli, p. 71, tr. by Martin H. Fischer. Full Text.