A History of Freedom of Thought — Part 10

In this connexion, notice may be taken of another expression and condition of freedom, the absence of sacerdotalism. The priests of the temples never became powerful castes, tyrannizing over the community in their own interests and able to silence voices raised against religious beliefs. The civil authorities

[25] 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

[26] the way for the educationalists who were known as the Sophists. They begin to appear after the middle of the fifth century. They worked here and there throughout Greece, constantly travelling, training young men for public life, and teaching them to use their reason. As educators they had practical ends in view. They turned away from the problems of the physical universe to the problems of human life—morality and polities. Here they were confronted with the difficulty of distinguishing between truth and error, and the ablest of them investigated the nature of knowledge, the method of reason—logic— and the instrument of reason—speech. Whatever their particular theories might be, their general spirit was that of free inquiry and discussion. They sought to test everything by reason. The second half of the fifth century might be called the age of Illumination.