Why Study Latin?

This by way of Michael Gilleland:

Moses Hadas (1900-1966), Old Wine, New Bottles: A Humanist Teacher at Work (New York: Simon and Schuster, 1962), p. 43:

The sole and sufficient reason for studying Latin, I then believed and still believe, is that it is fun to do so. People so constituted that it is incapable of affording them fun should not study Latin.