Answer: "Reason is empty, but its use is inexhaustible"
Explanation: Reason in itself is but a disguise. It can have various forms and explanations but it loses its thrust overtime.
Although in implications with the Lord where the tranquility resides, Reason becomes invaluable.
How profound these this sentence actually is. We put meaning behind our reasons. The sentiments actually define its worth. One can understand that facing the Lord doesn't need any explanation. He knows it all.