That "maybe it couldn't," but he would be one

Who wouldn't say so till he tried.

So he buckled right in, with a trace of a grin

On his face. If he worried he hid it.

He started to sing as he tackled the thing

That couldn't be done—and he did it.

Somebody scoffed, "Oh, you'll never do that;

At least no one ever has done it."

But he took off his coat and he took off his hat,

And the first thing we knew he'd begun it;