Sometimes it happens that a man's circle of horizon becomes smaller and smaller, and as the radius approaches zero it concentrates on one point. And then that becomes his point of view.
David HilbertWe do not master a scientific theory until we have shelled and completely prised free its mathematical kernel.
David HilbertWir mussen wissen. Wir werden wissen. We must know. We will know. Inscribed on his tomb in Gilttingen.
David HilbertIndignant reply to the blatent sex discrimination expressed in a colleague's opposition when Hilbert proposed appointing Emmy Noether as the first woman professor at their university.
David Hilbert