together in a mass, till Mind came and put order into them." Mind is outside things, not mixed with them, and some authorities say that Anaxagoras called it "God." Meantime, he showed by experiment the reality and substance of air, and disproved the common notion of "empty space." It will be seen that these ideas, if often crudely expressed, are essentially the same ideas which gave new life to modern science after the sleep of the Middle Ages. Almost every one of them is the subject of active dispute at the present day.
Apart from physical science, we learn that Anaxagoras was a close friend and adviser of the great Athenian statesman, Pericles; and we have by chance an account of a long discussion between the two men about the theory of punishment—whether the object of it is to do "justice" upon a wrong-doer apart from any result that may accrue, or simply to deter others from doing the same and thus make society better. The question is the subject of a vigorous correspondence in the Times while these words are writing. We can understand what an effect such a teacher as this would have on the eager young man from Phlya. One great word of liberation
