"You can lock the door upon them, but they burst open their shaky lattices and call out over the house-tops so that men cannot but hear. You hounded wild Rousseau into the meanest garret of the Rue St. Jacques and jeered at his angry shrieks. But the thin, piping tones swelled a hundred years later into the sullen roar of the French Revolution, and civilization to this day is quivering to the reverberations of his voice."