UNCERTAINTIES OF ARITHMETIC.

Schoolmaster. "Yes; but look here, my Boy. Suppose I were to lend your Father Five Hundred Pounds, let us say,—without Interest,—but on condition that he should pay me Ten Pounds a Week. How much would he still Owe me in Two Months?"

New Boy. "Five Hundred Pounds, Sir!"

Schoolmaster. "Tut! Tut! My Boy, you don't know the First Principles of Arithmetic!"

New Boy. "You don't know my Father, Sir!"