When goods are exchanged between countries, they must be paid for by commodities or gold. They cannot be paid for by the notes, certificates, and checks of the purchaser's country, since these are of value only in the country of issue.
Carroll QuigleyThe failure of Christianity in the areas west from Sicily was even greater, and was increased by the spread of Arab outlooks and influence to that area, and especially to Spain.
Carroll QuigleyThe traditional Christian attitude toward human personality was that human nature was essentially good and that it was formed and modified by social pressures and training.
Carroll QuigleyIslam, the third in historical sequence of the ethical monotheistic religions of the Near East, was very successful in establishing its monotheism, but had only very moderate success in spreading its version of Jewish and Christian ethics to the Arabs.
Carroll Quigley