The game of life does not proceed like a mathematical calculation on the principle that two and two make four. Sometimes they make five$$$ or minus four$$$ and sometimes the blackboard topples over in the middle of the sum and the pedagogue is left with a

The game of life does not proceed like a mathematical calculation on the principle that two and two make four. Sometimes they make five$$$ or minus four$$$ and sometimes the blackboard topples over in the middle of the sum and the pedagogue is left with a black eye.