Final answer:
The anecdote discusses a schoolboy who excels at the game of 'even and odd' by employing observational skills and deductive reasoning to outwit his opponents.
Step-by-step explanation:
The anecdote provided in the article aside from the one about Wiles describes a schoolboy's cleverness in winning a game called 'even and odd.' The game involves guessing whether the number of marbles held by another player is even or odd. The schoolboy wins consistently by closely observing and deducing the patterns in his opponents' behavior. Each opponent's level of simplicity or cunning determines the schoolboy's strategy. Through this narrative, the article illustrates the theme of astuteness and the importance of adaptation and reasoning.