... facts in place of constants and variables, but the same constants and variableswill serve somewhere else to calculate other facts, and the mathematicians themselves give no set of data their prefer-ence. ... the early Church Fathers and culminating in the greatScholastics. But, at last, its generative ideas—sin and salvation,nature and grace, unity, infinity, and kingdom—had donetheir work. Vast ... problems had arisenin the law- courts and the Sophists' courses of oratory; theywere, in the main, and in their significant features, irrelevantto the academic tradition. The validity of knowledge...