"Politician: What are the two great qualities of a Minister of State?
"Student: Secrecy and despatch.
"Politician: Into how many parts are the Ministers of State divided?
"Student: Into two. First, Ministers of State at home; secondly, Ministers of State abroad, who are called Foreign Ministers.
"Politician: Very right. Now as I design you for the latter of these employments I shall waive saying anything about the first of these. What are the different degrees of Foreign Ministers?
"Student: The different degrees of Foreign Ministers are as follows: First, Plenipotentiaries; second, Ambassadors-Extraordinary; third, Ambassadors in ordinary; fourth, Envoys-Extraordinary; fifth, Envoys-in-ordinary; sixth, Residents; seventh, Consuls; and eighth, Secretaries.
"Politician: How is a Foreign Minister to be known?
"Student: By his credentials.
"Politician: When are a Foreign Minister's credentials to be delivered?
"Student: Upon his first admission into the presence of the Prince to whom he is sent, otherwise called his first audience.