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 kept the general control of public worship in their own hands, and, if some priestly families might have considerable influence, yet as a rule the priests were virtually State servants whose voice carried no weight except concerning the technical details of ritual.

To return to the early philosophers, who were mostly materialists, the record of their speculations is an interesting chapter in the history of rationalism. Two great names may be selected, Heraclitus and Democritus, because they did more perhaps than any of the others, by sheer hard thinking, to train reason to look upon the universe in new ways and to shock the unreasoned conceptions of common sense. It was startling to be taught, for the first time, by Heraclitus, that the appearance of stability and permanence which material things present to our senses is a false appearance, and that the world and everything in it are changing every instant. Democritus performed the amazing feat of working out an atomic theory of the universe, which was revived in the seventeenth century and is connected, in the history of speculation, with the most modern physical and chemical theories of matter. No fantastic tales of creation, imposed by sacred authority, hampered these powerful brains.

All this philosophical speculation prepared