"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." (Emil Fischer, "Syntheses in the Purine and Sugar Group", [Nobel lecture] 1902)
"[...] the veil behind which Nature has so carefully concealed her secrets is being lifted where the carbohydrates are concerned. Nevertheless, the chemical enigma of Life will not be solved until organic chemistry has mastered another, even more diffi cult subject, the proteins, in the same way as it has mastered the carbohydrates." (Emil Fischer, "Syntheses in the Purine and Sugar Group", [Nobel lecture] 1902)
"Essentially only one thing in life interests us: our psychical constitution, the mechanism of which was and is wrapped in darkness. All human resources, art, religion, literature, philosophy and historical sciences, all of them join in bringing light in this darkness." (, Ivan P Pavlov,"Physiology of Digestion", [Nobel lecture] 1904)
"Each new discovery leaves in the brains of men seeds which make it possible for an ever-increasing number of minds of new generations to embrace even greater scientifi c concepts." (Alfred Nobel, "The Neuron Doctrine - Theory and Facts", [Nobel lecture] 1906)
"[...] as for physics, it has developed remarkably as a precision science, in such a way that we can justifiably claim that the majority of all the greatest discoveries in physics are very largely based on the high degree of accuracy which can now be obtained in measurements made during the study of physical phenomena. [... Accuracy of measurement] is the very root, the essential condition, of our penetration deeper into the laws of physics - our only way to new discoveries." (K Bernhard Hasselberg, [Nobel Lecture] 1907)
"We must never, therefore, let ourselves fall into the way of thinking “ignorabimus” (“We shall never know”), but must have every confi dence that the day will dawn when even those processes of life which are still a puzzle today will cease to be inaccessible to us natural scientists." (Edward Buchner,"Cell-Free Fermentation", [Nobel lecture] 1907)
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