The circle within which the individual research worker, especially as an experimenter, can distinguish himself is continually shrinking in size. Consequently the progress of science today is not so much determined by brilliant achievements of individual workers, but rather by the planned collaboration of many observers.
Nobel Lectures, Chemistry 1901-1921 - Nobel lecture for award received in 1902 - Syntheses in the Purine and Sugar Group (p. 35), Elsevier Publishing Company. Amsterdam, Netherlands. 1966