part in the education and life of children. Which of us does not
remember powerful but magnanimous dogs, lazy lapdogs, birds dying in captivity, dull-witted but haughty turkeys, mild old tabby cats, who forgave us when we trod on their tails for fun and caused them agonising pain? I even fancy, sometimes, that the patience, the fidelity, the readiness to forgive, and the sincerity w...