Page:The Practice of Diplomacy - Callières - Whyte - 1919.djvu/80

 of having to use them for the purpose of audiences with the sovereign. It is obvious, too, that an interpreter may be a betrayer of secrets. Every one who enters the profession of diplomacy should know the German, Italian, and Spanish languages as well as the Latin, ignorance of which would be a disgrace and a shame to any public man, for it is the common language of all Christian nations. It is also very useful and fitting for the diplomat, on whom graye national responsibility rests, to have such a general knowledge of science as may tend to the development of his understanding, but he must be master of his scientific knowledge and must not be consumed by it. He must give science the place which it deserves, and must not merely consider it as a reason for pride or for contempt of those who do not possess it. While devoting himself to this study with care and attention he must not become engrossed in it, for he who enters the public service of his King must consider that he is destined for action and not for academic study in his closet; and his principal care must be to instruct himself regarding all that may affect the lives of living men rather than the study of the dead. His professional aim is to penetrate the secrets and hearts of men; to learn the art of handling them in such a manner as to make them serve the great ends of his royal master.