“You are old, Father William,” the youth then said,

“You’ll excuse my remarking again;

But still you fell trees with remarkable ease,

Now can you this wonder explain?”

“In the days of my youth,” said the Grand Old Man,

“To keep little Herbert from harm,

With healthy correction his faults I restrained,

This accounts for the strength of my arm.”

“You are old,” said the youth, “yet it’s easy to see

That your brain is as fertile as ever,