HERACLITUS, THE ORIGINATOR OF THESE QUESTIONS, ANSWERS THEM OBSCURELY.

Heraclitus, who recommends this research, asserts that "there are necessary changes of contraries into each other;" he speaks of "ascenscions" and of a "descent," says that it is "a rest to change, a fatigue to continue unremittingly in the same kinds of work, and to be overwrought. He thus reduces us to conjectures because he does not explain himself definitely; and he would even force us to ask how he himself came to discover what he propounds.