No effect that requires more than 10 percent accuracy in measurement is worth investigating. Walther Nernst More Quotes by Walther Nernst More Quotes From Walther Nernst Knowledge is the death of research. Walther Nernst research science knowledge On examinations: Das Wissen ist der Tad der Forschung. Knowledge is the death of research. Nernst's motto. Walther Nernst examination research knowledge One should avoid carrying out an experiment requiring more than 10 per cent accuracy. Walther Nernst accuracy should science