We find that actual, concrete knowledge, that is, the great work of toilsome discovery, has one deadly enemy, omniscience. The Jews are a case in point; if a man possesses a sacred book, which contains all wisdom, then all further investigation is as superfluous as it is sinful: the Christian Church took over the Jewish tradition. This fastening on to Judaism, which was so fatal for our history, is being accomplished before our very eyes; it can be demonstrated step by step. The old Church Fathers, taking their stand expressly upon the Jewish Torah, are unanimous in preaching contempt of art and of science.

The Foundations of the Nineteenth Century (Die Grundlagen des neunzehnten Jahrhunderts) (1899)