One can no more prevent thought from recurring to an idea than one can the sea from returning to the shore: the sailor calls it the tide; the guilty man calls it remorse; God upheaves the soul as he does the ocean.

After the expiration of a few moments, do what he would, he resumed the gloomy dialogue in which it was he who spoke and he who listened, saying that which he would have preferred to ignore, and listened to that which he would have preferred not to hear, yielding to that mysterious power which said to him: “Think!” as it said to another condemned man, two thousand years ago, “March on!”

Before proceeding further, and in order to make ourselves fully understood, let us insist upon one necessary observation.