Jerome : "And I heard, and understood not. And I said, 'O my lord, what shall happen after these things?'" The prophet wished to comprehend what he had seen, or rather, what he had heard, and he desired to understand the reality of the things to come. For he had heard of the various wars of kings, and of battles between them, and a detailed narrative of events; but he had not heard the names of the individual persons involved. — St. Jerome, Commentary on Daniel, CHAPTER TWELVE